Eufy S1 vs Willow 360: 22 Highlights & 51 Differences — So, Which Device Features Smarter Technology?
Smart alerts, app connectivity, and more are compared. Which leads? Not sure which breast pump wins in real-world parenting life? This breast pumps breakdown of Eufy S1 vs Willow 360 gives you the clarity.
Supermod
Moderator
Highlights 155
No extras. Just what matters.
Recaptor
Comparing Eufy S1 and Willow 360: Which Wearable Breast Pump Fits Your Needs?
Both the Eufy S1 and the Willow 360 are innovative wearable breast pumps designed with modern postpartum mothers in mind, offering portability, quiet operation, and ease of use. They share many core features, including battery-powered electric operation, vacuum suction expression methods, and compatibility with direct milk containers to streamline storage. Yet their distinctive qualities emerge in milk output capabilities, ergonomic nuances, smart functionalities, battery life, and overall price point. While the Eufy S1 excels in portability, comfort, and customization with a budget-friendly approach, the Willow 360 appeals to those prioritizing higher milk output and smart tracking features crafted with manufacturing in the USA.
Eufy S1: A Compact Powerhouse Designed for Comfort and Convenience
The Eufy S1 shines as a highly portable and lightweight option, weighing just 2.77 lbs and boasting compact dimensions that make it extremely discreet for on-the-go wear. It includes a useful carry case, elevating convenience for busy moms who need to pump in various settings. The pump runs on a rechargeable 1200mAh battery providing a longer 4-hour runtime, outlasting the Willow 360's 1.6 hours, which is a significant advantage for extended use without frequent recharging.
Customizability is another standout feature of the Eufy S1, offering 4 rhythm modes and 7 speed levels, enabling users to tailor their pumping experience far more than the Willow 360's limited rhythm and speed settings. An included massage mode and effective pressure regulation ensure steady suction with overpressure protection, which fosters comfort and safety during sessions.
From an ergonomic standpoint, the Eufy S1 impresses with a breast shield crafted from soft silicone that offers very soft skin contact, reducing wear fatigue and enhancing comfort for longer sessions. The device excels in flange size variety, ranging from 17 to 24 m,m with extra flanges included, giving users better options to find a perfect fit and prevent leaks. Its efficient motor isolation design and quiet mode make it an excellent companion for night use or discreet pumping environments.
The intuitive one-hand operation and high-quality display visibility promote hassle-free control. At the same time, integrated Bluetooth and app connectivity provide convenient remote management, albeit without smart session tracking or alert features. Finally, the pump is priced competitively with a retail price of $189.99 at AeroFlow Breast Pumps.
Willow 360: Maximum Milk Output Meets Advanced Smart Pumping
On the other side, the Willow 360 targets users who want to maximize milk extraction and leverage a rich suite of smart features. It delivers a higher milk output rating of 8/10 per session compared to Eufy's 5/10, and supports longer continuous operation up to 100 minutes, appealing to those seeking maximum efficiency.
One of its unique strengths is independent side control, allowing separate suction adjustments for each breast, giving users a significant edge in personalized expression. This control, coupled with superior accessory expandability, caters to moms with specific needs in pumping customization or dual configuration preferences.
Smart technology is where the Willow 360 truly stands out, featuring detailed session tracking, pumping history storage, and intelligent alerts through its connected app. These features make it a powerful tool for moms keen on monitoring and optimizing their pumping routines with data-driven insights.
Though heavier at 5.6 lbs and lacking a carry case, the Willow 360 remains very discreet and travel-friendly with a quick setup time. Its breast shield uses plastic material, which is less soft but still rated for excellent leak prevention and comfort. It supports a narrower 21-27 mm flange range, with extra sizes included, catering to common sizing needs.
The Willow 360 is made in the USA, ensuring a certain standard of quality assurance, and is backed by multiple support channels, including phone, email, live chat, and app support. Its price point reflects these premium attributes at around $499.99 at Willow.
Quick Take
The Eufy S1 wins big on lightweight design, longer battery life, superior ergonomic comfort, and extensive speed and rhythm options; all bundled at an affordable price. Meanwhile, the Willow 360 appeals to moms who want the highest milk output per session, smart tracking features for comprehensive pumping data, and the flexibility of independent side control.
Bottom Line
For postpartum mothers seeking a wearable breast pump that balances portability, quiet operation, comfort, and affordability, the Eufy S1 stands out as the best pick. It provides an adaptable pumping experience without the hefty price tag. However, if your priority lies in optimizing milk expression with advanced smart features and you are comfortable investing more, the Willow 360 remains a compelling option.
Verdict
- Winner: Eufy S1 - Outstanding portability, ergonomic design, longer battery life, and a more customizable pumping experience at a very attractive price.
- Runner-up: Willow 360 - Excellent milk output, advanced smart tracking, and independent suction control, but at a significantly higher price with more weight.
Comparisons 19
Two enter. One leaves your cart.Price comparisons
Eufy S1
Willow 360
Related comparisons 19
Because one duel is never enough.
0
Cartling
0
Cartling
0
Cartling
Comparisons & Facts 155
Side by side. The numbers. The features. No drama.It’s all here: side-by-side specs, honest user feedback, and what to expect from Eufy S1 and Willow 360 in daily parenting duties.
General Information 8
Release Year
What year was this breast pump released?
0 Eufy S1 1 Votes 2023
0 Willow 360 0 Votes 2022
vs
Release Year
Eufy S1 was released in 2023, a year newer than the Willow 360, which was released in 2022. The newer release might mean updated features and improvements on the Eufy S1. For latest tech, the Eufy S1 stands out.
Indicates the year this breast pump model was first released to the market.
Eufy S1 is newer, released in 2023, so it has some updated features compared to the 2022 Willow
Product Category
What is the product category?
0 Eufy S1 0 Votes Breast Pump
0 Willow 360 0 Votes Breast Pump
Defines the general product classification within the infant care category.
Intended User Type
Who is this breast pump intended for?
0 Eufy S1 0 Votes Postpartum Mothers, Exclusive Pumpers, Occasional Pumpers
0 Willow 360 0 Votes Postpartum Mothers, Exclusive Pumpers, Occasional Pumpers
Indicates the primary user group the breast pump is designed for.
Country of Origin
What is the country of origin for this breast pump?
0 Eufy S1 0 Votes China
0 Willow 360 0 Votes USA
vs
Country of Origin
Eufy S1 is made in China, whereas Willow 360 is manufactured in the USA. This difference might influence some users based on country of origin preferences or perceived quality standards. For those seeking a USA-made product, the Willow 360 is more suitable.
Indicates the country where the breast pump is manufactured or assembled.
Pump Operation Mode
How does this breast pump operate?
0 Eufy S1 0 Votes Battery Powered, Electric
0 Willow 360 0 Votes Manual, Electric
vs
Pump Operation Mode
The Eufy S1 offers pump operation modes as Battery Powered and Electric while the Willow 360 operates in Manual and Electric modes. Eufy S1's battery-powered feature makes it more versatile for mobile use, whereas Willow 360 includes manual pumping. For versatile power options, Eufy S1 is preferable.
Identifies how the breast pump operates in terms of power and actuation.
Closed System Design
Does this breast pump use a closed system?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Eufy S1
Closed system design prevents milk from entering the pump tubing, enhancing hygiene and ease of cleaning.
Indicates whether the pump uses a closed system to prevent milk from entering the tubing or motor.
Hospital Grade Classification
Is this a hospital-grade breast pump?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Indicates whether the breast pump meets hospital-grade performance and durability standards.
Hands-Free Capable
Can this breast pump be used hands-free?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Shows whether the breast pump can be used without requiring hands during operation.
Pump Type & Usage 7
Pump Type
What type of breast pump is this?
0 Eufy S1 0 Votes Wearable
0 Willow 360 0 Votes Electric
vs
Pump Type
Pump type differs: Eufy S1 is wearable, allowing hands-free pumping; Willow 360 is electric but not wearable. This makes Eufy S1 more convenient for multitasking during pumping sessions.
Defines the structural and operational type of the breast pump.
Portable Design
Is this breast pump portable?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
vs
Portable Design
Both Eufy S1 and Willow 360 feature a portable design, allowing convenient use on the go. Portability is essential for users who pump outside home settings. Both therefore are equally suitable for portability needs.
Indicates whether the pump is designed for easy movement and transport.
Intended Usage Frequency
How frequently is this breast pump intended to be used?
0 Eufy S1 0 Votes Exclusive
0 Willow 360 0 Votes Exclusive
vs
Intended Usage Frequency
Eufy S1 and Willow 360 are both intended for exclusive usage frequency, meaning designed for regular, full-time pumping. This aligns well with demanding users. For exclusive pumpers, both services are equally appropriate.
Describes how often the pump is intended to be used based on design durability.
Primary Use Case
What is the primary use case for this breast pump?
0 Eufy S1 0 Votes Home Use, Work Use, Travel Use
0 Willow 360 0 Votes Home Use, Work Use, Travel Use
vs
Primary Use Case
Both models support home, work, and travel use, offering broad primary use cases for versatile pumpers. This makes Eufy S1 and Willow 360 suitable for users with varied locations in their pumping routine.
Identifies the main scenario the pump is optimized for.
Expression Method
What expression method does this breast pump use?
0 Eufy S1 0 Votes Vacuum Suction
0 Willow 360 0 Votes Vacuum Suction
vs
Expression Method
Expression method for both Eufy S1 and Willow 360 is vacuum suction, ensuring efficient and comfortable milk expression. Both implement a trusted method, suitable for users familiar with vacuum suction technology.
Explains how milk expression is achieved mechanically.
Pumping Configuration
What pumping configuration does this breast pump support?
0 Eufy S1 0 Votes Double
0 Willow 360 0 Votes Double
Eufy S1
This is a double pumping configuration, allowing simultaneous expression from both breasts to save time.
Defines whether the breast pump supports pumping from one or both breasts simultaneously.
Wearable Design
Is this a wearable breast pump?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Eufy S1
Wearable design enhances mobility and comfort, enabling discreet pumping on the go.
Shows whether the pump is designed to be worn inside a bra during pumping.
Milk Expression Performance 7
Milk Collection Efficiency
How efficient is milk collection with this breast pump?
vs
Milk Collection Efficiency
Eufy S1 delivers a milk collection efficiency of 5 oz per session, whereas Willow 360 provides 4 oz. This suggests Eufy S1 may yield slightly higher milk collection efficiency, advantageous for maximizing output.
Measures how effectively the pump extracts milk per session.
Continuous Operation Time
How long can this pump operate continuously?
vs
Continuous Operation Time
Continuous operation time is 90 minutes for Eufy S1 and 100 minutes for Willow 360. Willow 360 supports slightly longer uninterrupted pumping, beneficial for extended use.
Measures how long the pump can run continuously without interruption.
Maximum Milk Output Per Session
What is the maximum milk output per session?
vs
Maximum Milk Output Per Session
Maximum milk output per session for Eufy S1 is 5 oz, while Willow 360 offers 8 oz, significantly higher. Users needing max capacity per session might prefer Willow 360 for greater output potential.
Indicates the highest amount of milk typically collected in a single session.
The Willow 360 offers a higher milk output per session which is impressive for efficiency seekers
Expression Consistency Rating
How consistent is milk expression performance?
0 Eufy S1 0 Votes Excellent
0 Willow 360 0 Votes Excellent
vs
Expression Consistency Rating
Both Eufy S1 and Willow 360 rate expression consistency as Excellent, indicating reliable milk flow and predictable performance. Users prioritizing consistent pumping quality can trust either model equally.
Describes how consistent milk expression performance is across sessions.
Average Session Duration
What is the average pumping session duration?
vs
Average Session Duration
Average session duration is the same for both pumps at 20 minutes, matching typical pumping sessions. Neither pump offers time advantage here.
Shows the typical length of a pumping session needed for effective expression.
Milk Backflow Prevention
Does this pump prevent milk backflow?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Willow 360
Milk backflow prevention ensures milk flows only in the intended direction, maintaining cleanliness and hygiene.
Indicates whether the pump prevents milk from flowing back into tubing or motor.
Consistent Suction Stability
Is suction stable during pumping?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Shows whether suction strength remains stable throughout the session.
Suction & Pressure Control 8
Suction Control Precision
Is suction control precise?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
vs
Suction Control Precision
Suction control precision is confirmed Yes for both Eufy S1 and Willow 360, indicating accurate suction strength management for each model.
Indicates whether suction changes are smooth and finely controlled.
Independent Side Control
Can suction be controlled independently on each side?
No
0
Votes
Eufy S1
Yes 0 Votes Willow 360
vs
Independent Side Control
Independent side control is available only on Willow 360, not on Eufy S1. Willow 360 allows separate adjustment for each breast, better for personalized comfort.
Shows whether suction can be adjusted independently for each breast.
Pressure Regulation Stability
Is pressure regulation stable during use?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
vs
Pressure Regulation Stability
Both pumps feature pressure regulation stability, ensuring consistent suction pressure for comfort and effectiveness. No distinction between Eufy S1 and Willow 360 here.
Indicates stability of pressure regulation during changing modes.
Overpressure Protection
Does this pump have overpressure protection?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
vs
Overpressure Protection
Overpressure protection is present in both Eufy S1 and Willow 360, safeguarding against excessive suction pressure and improving safety during use.
Indicates whether the pump prevents unsafe suction pressure levels.
Suction Accuracy Rating
How accurate is suction delivery?
0 Eufy S1 0 Votes Excellent
0 Willow 360 0 Votes Excellent
vs
Suction Accuracy Rating
Suction accuracy rating is Excellent for both Eufy S1 and Willow 360, ensuring precise suction control and user comfort. Both are equally reliable in this important suction aspect.
Indicates how accurately suction matches selected settings.
Maximum Suction Level
What is the maximum suction level of this breast pump?
Eufy S1
Maximum suction level reaches 300 mmHg, which is typical for efficient milk extraction without causing discomfort.
Indicates the strongest suction pressure the pump can generate.
Minimum Suction Level
What is the minimum suction level available?
Shows the lowest suction pressure available for sensitive use.
Suction Adjustment Levels
How many suction adjustment levels are available?
0 Eufy S1 0 Votes 14
0 Willow 360 0 Votes 7
Represents how many distinct suction levels the pump offers.
Speed & Rhythm Settings 7
Expression Rhythm Modes
How many expression rhythm modes are available?
0 Eufy S1 1 Votes 4
0 Willow 360 0 Votes 2
vs
Expression Rhythm Modes
Eufy S1 has 4 expression rhythm modes compared to 2 for Willow 360, offering more customizable rhythm patterns which can enhance comfort and mimic natural feeding.
Represents the number of distinct pumping rhythm modes supported.
Eufy S1 has more rhythm modes giving more custom control over pumping speed and pattern
Massage Mode Availability
Does this pump include a massage mode?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
vs
Massage Mode Availability
Massage mode availability is Yes on both pumps, helping stimulate milk flow before expression starts, equally beneficial for users of either model.
Indicates whether a massage or stimulation mode is available to trigger let-down.
Number of Speed Levels
How many speed levels does this breast pump offer?
0 Eufy S1 0 Votes 7
0 Willow 360 0 Votes 2
vs
Number of Speed Levels
Eufy S1 supports 7 speed levels versus Willow 360's 2 levels, giving users finer control over suction speed for tailored pumping experience favoring Eufy S1.
Indicates how many pumping speed levels are available for adjustment.
Transition Speed Control
Can transition speed between modes be controlled?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
vs
Transition Speed Control
Transition speed control is offered by both Eufy S1 and Willow 360, facilitating smooth changes in pumping speed to improve comfort during sessions.
Shows whether users can control how smoothly the pump transitions between modes.
Customizable Pumping Pattern
Can pumping patterns be customized?
No
0
Votes
Eufy S1
No
0
Votes
Willow 360
vs
Customizable Pumping Pattern
Neither Eufy S1 nor Willow 360 offers a customizable pumping pattern, so users looking for fully tailored cycles may find options limited in both.
Indicates whether users can customize pumping speed and rhythm combinations.
Cycle Rate Range
What is the cycle rate range?
0 Eufy S1 0 Votes 30-100 cycles/min
0 Willow 360 0 Votes 45–160 CPM
Measures the range of pumping cycles per minute supported.
Rhythm Consistency Rating
How consistent is the pumping rhythm?
0 Eufy S1 0 Votes Excellent
0 Willow 360 0 Votes Excellent
Reflects consistency of pumping rhythm during operation.
Power & Battery System 12
Battery Runtime
How long does the battery last per charge?
vs
Battery Runtime
Battery runtime for Eufy S1 is 4 hours, significantly longer than Willow 360's 1.6 hours. For longer use without recharge, Eufy S1 is more suitable.
Measures how long the pump can operate on a full charge.
The Eufy S1's battery lasts for 4 hours which beats the Willow's shorter runtime easily
Power Source Type
What power source does this breast pump use?
0 Eufy S1 0 Votes Battery Powered
0 Willow 360 0 Votes Battery Powered
vs
Power Source Type
Both pumps use battery-powered power sources, enhancing mobility. Eufy S1 and Willow 360 share this cordless convenience, suitable for active lifestyles.
Describes the primary power source used to operate the breast pump.
Battery Capacity
What is the battery capacity of this breast pump?
0 Eufy S1 0 Votes 1200mAh
0 Willow 360 0 Votes 1200 mAh
vs
Battery Capacity
Battery capacity is similar with Eufy S1 rated at 1200mAh and Willow 360 at 1200 mAh. Battery size parity suggests comparable usage times on single charge.
Indicates the overall energy capacity of the built-in battery.
Charging Time
How long does it take to charge the pump?
vs
Charging Time
Charging time for both pumps is 2 hours, meaning users can expect similar recharge durations when powering either Eufy S1 or Willow 360.
Indicates how long it takes to fully recharge the battery.
Battery Type
What type of battery does this pump use?
0 Eufy S1 0 Votes Rechargeable Battery
0 Willow 360 0 Votes Lithium-Ion, Rechargeable Battery
vs
Battery Type
Eufy S1 uses a rechargeable battery, while Willow 360 uses a lithium-ion rechargeable battery, potentially offering advantages in charge retention for Willow 360.
Identifies the type of battery used for cordless operation.
Charging Method
How is this breast pump charged?
0 Eufy S1 0 Votes Magnetic Connector
0 Willow 360 0 Votes AC Adapter
Eufy S1
The charging method uses a magnetic connector for easy and secure attachment.
Willow 360
The device charges via an AC adapter, allowing for stable power supply.
Describes how the battery is recharged.
Battery Indicator Accuracy
How accurate is the battery level indicator?
0 Eufy S1 0 Votes Good
0 Willow 360 0 Votes No
Eufy S1
Battery indicator accuracy is Good, offering dependable battery status information.
Describes how accurately the battery indicator reflects remaining power during use.
Battery Degradation Protection
Does the pump protect against battery degradation?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Eufy S1
Battery degradation protection is included to extend battery lifespan and maintain performance over time.
Indicates whether the system protects the battery from long-term wear.
Use While Charging
Can the pump be used while charging?
No
0
Votes
Eufy S1
No
0
Votes
Willow 360
Indicates whether the pump can be used while connected to power.
Auto Power Off
Does the pump have auto power-off?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Indicates whether the pump automatically powers down when idle.
Standby Power Loss
How much power is lost in standby mode?
Measures how much power is consumed when the pump is idle.
Charging Safety Certification
Does this pump have charging safety certification?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Identifies compliance with recognized charging and electrical safety standards.
Noise & Vibration 6
Vibration Intensity
How strong is the vibration during operation?
Eufy S1
The pump operates at a noise level of 45 dB, which is relatively quiet and suitable for discreet use.
Indicates the intensity of vibration generated during pumping.
Quiet Mode Availability
Does this pump have a quiet mode?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
vs
Quiet Mode Availability
Quiet mode availability is a feature of both pumps, allowing users to reduce noise levels for more discreet use. Eufy S1 and Willow 360 are equally suited to quiet environments.
Indicates whether a dedicated quiet or low-noise mode is available.
Noise Consistency
Is noise output consistent during pumping?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Shows whether noise output remains consistent throughout the session.
Night Use Friendly
Is this pump suitable for night use?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
vs
Night Use Friendly
Night use friendliness is confirmed Yes for both pumps, making Eufy S1 and Willow 360 appropriate for quiet, comfortable pumping during nighttime.
Indicates suitability for use during nighttime without disturbance.
Motor Isolation Design
Does the pump use motor isolation to reduce noise?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
vs
Motor Isolation Design
Motor isolation design is present in both Eufy S1 and Willow 360, reducing vibration noise and improving quiet operation, great for discreet pumping sessions.
Shows whether the motor is isolated to reduce transmitted noise and vibration.
Operating Noise Level
How loud is this breast pump during use?
Measures the sound level produced by the pump during normal operation.
Comfort & Ergonomics 7
Wear Fatigue Level
How much fatigue does this pump cause?
0 Eufy S1 0 Votes Low
0 Willow 360 0 Votes Low
Eufy S1
Wear fatigue level rated Low indicates that the device is comfortable for extended wear without causing strain.
Willow 360
Wear fatigue level is low, indicating the device can be comfortably used for extended sessions.
Indicates the level of fatigue caused during use or wear.
Heat Buildup Level
How much heat builds up during pumping?
Willow 360
Heat buildup level during operation is 98°F (36.7°C), which is close to body temperature and unlikely to cause discomfort.
Measures the amount of heat generated near contact areas during use.
Skin Contact Softness
How soft is the skin contact area?
0 Eufy S1 0 Votes Very Soft
0 Willow 360 0 Votes Soft
Describes how soft and gentle the pump feels where it comes into contact with the skin.
Pressure Distribution
How evenly is pressure distributed during pumping?
0 Eufy S1 0 Votes Even
0 Willow 360 0 Votes Even
Indicates how evenly suction pressure is distributed across the breast during pumping.
Ergonomic Design Rating
How ergonomic is the pump design?
0 Eufy S1 0 Votes Excellent
0 Willow 360 0 Votes Excellent
Rates how well the design supports natural body positioning.
Comfort Level Rating
How comfortable is this pump to use?
0 Eufy S1 0 Votes Good
0 Willow 360 0 Votes Good
Eufy S1
Comfort level is rated Good, supporting extended use with minimal discomfort.
Represents overall comfort during pumping sessions.
Long Session Comfort
Is the pump comfortable for long sessions?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Indicates whether the pump remains comfortable during extended pumping sessions.
Fit, Flange & Breast Interface 9
Breast Shield Material
What material is used for the breast shield?
0 Eufy S1 0 Votes Soft Silicone
0 Willow 360 0 Votes Plastic
Willow 360
The breast shield is made from Plastic, a common durable material, ensuring safety and effective pumping.
Identifies the material used for the breast-contact shield, affecting comfort and skin safety.
Leak Prevention Rating
How effective is leak prevention?
0 Eufy S1 0 Votes Excellent
0 Willow 360 0 Votes Excellent
Willow 360
Leak prevention rating is excellent, ensuring minimal milk loss and no mess during pumping.
Rates effectiveness at preventing milk leaks.
Flange Size Range
What flange size range does this pump support?
0 Eufy S1 0 Votes 17-24
0 Willow 360 1 Votes 21–27 mm
Describes the range of flange sizes supported to accommodate different users.
Willow 360 provides a wider flange size range which might suit those needing more options
Included Flange Sizes
Which flange sizes are included with this breast pump?
0 Eufy S1 0 Votes Multiple Sizes Included
0 Willow 360 0 Votes 24mm, 21mm
Indicates which flange sizes are included in the package for immediate use.
Adjustable Flange
Does this pump support adjustable flange fit?
No
0
Votes
Eufy S1
No
0
Votes
Willow 360
Indicates whether flange fit can be adjusted without replacing parts.
Fit Customization Level
How customizable is the pump fit?
0 Eufy S1 0 Votes High
0 Willow 360 0 Votes High
Eufy S1
Fit customization level is High, allowing better adaptation to different nipple shapes and sizes for improved comfort.
Indicates how adjustable the fit is for different users.
Nipple Alignment
Does the pump support proper nipple alignment?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Willow 360
Nipple alignment feature ensures accurate positioning for comfort and effectiveness during pumping.
Indicates whether the design supports proper nipple alignment during use.
Seal Quality
How good is the flange seal quality?
0 Eufy S1 0 Votes Excellent
0 Willow 360 0 Votes Excellent
Describes how well the flange seals against the breast.
Flange Compatibility Standard
Is this breast pump compatible with standard flanges?
No
0
Votes
Eufy S1
No
0
Votes
Willow 360
Indicates whether the breast pump is compatible with commonly used standard flange sizes and accessories.
Materials & Safety 8
BPA Free
Is this breast pump BPA-free?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Eufy S1
BPA free materials ensure user safety by excluding harmful bisphenol-A from product components.
Indicates whether the pump materials are free from BPA.
Food Grade Certification
Does this pump use food-grade materials?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Eufy S1
Food grade certification ensures all materials in contact with milk are safe for breastfeeding.
Indicates compliance with food-grade material standards for milk contact.
Phthalate Free
Is this breast pump phthalate-free?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Shows whether the product is free from phthalates.
Heat Resistance
How heat-resistant are the pump materials?
Measures the maximum temperature the materials can safely withstand.
Chemical Odor Presence
Is there any chemical odor from the pump?
No
0
Votes
Eufy S1
No
0
Votes
Willow 360
Indicates whether noticeable chemical odors are present out of the box.
Skin Safety Rating
How safe are the materials for skin contact?
0 Eufy S1 0 Votes Medical Grade
0 Willow 360 0 Votes Medical Grade
Eufy S1
Materials used meet medical grade standards, ensuring safety and suitability for direct contact with skin.
Describes how safe the materials are for prolonged skin contact.
Primary Material
What is the primary material of this breast pump?
0 Eufy S1 0 Votes Food-Grade Plastic, Silicone
0 Willow 360 0 Votes ABS Plastic
Identifies the primary structural material used in the breast pump body and main components.
Medical Safety Compliance
Does this pump meet medical safety standards?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Indicates compliance with recognized medical device safety standards.
Controls, Display & Interface 8
One-Hand Operation
Can this pump be operated with one hand?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Eufy S1
One-hand operation capability facilitates easier and more flexible use during pumping sessions.
Willow 360
One-hand operation support allows for convenient use when multitasking or holding a baby.
Shows whether the pump can be operated comfortably with one hand.
Display Visibility
How visible is the display during use?
0 Eufy S1 0 Votes Excellent
0 Willow 360 0 Votes Average
Eufy S1
Display visibility is rated Excellent, ensuring clear readability under various lighting conditions.
Describes how easy the display is to read in different lighting conditions.
Indicator Accuracy
How accurate are the indicators?
0 Eufy S1 0 Votes Good
0 Willow 360 0 Votes Excellent
Eufy S1
Indicator accuracy is rated Good, providing reliable feedback on device status and settings.
Indicates how accurately indicators reflect actual status.
Control Responsiveness
How responsive are the controls?
Eufy S1
Control responsiveness measures 100 milliseconds, offering prompt reaction to user inputs.
Measures how quickly the pump responds to user inputs.
Tactile Feedback Quality
How good is the tactile feedback from controls?
0 Eufy S1 0 Votes Good
0 Willow 360 0 Votes Good
Indicates how responsive and satisfying button feedback feels.
Control Type
What type of controls does this breast pump use?
0 Eufy S1 0 Votes Hybrid
0 Willow 360 0 Votes Hybrid
Eufy S1
Control type is Hybrid, combining physical buttons with touch panel input for versatile and intuitive operation.
Identifies the primary method used to control the breast pump.
Display Type
What type of display does this pump have?
0 Eufy S1 0 Votes LED
0 Willow 360 0 Votes None
Eufy S1
The display type is LED, known for bright and clear visibility with low power consumption.
Indicates the type of display used to show settings and status.
Button Durability Rating
How durable are the control buttons?
0 Eufy S1 0 Votes Good
0 Willow 360 0 Votes Excellent
Describes how durable and long-lasting the physical buttons are.
Smart Features & Connectivity 8
App Connectivity
Does this breast pump connect to a mobile app?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Eufy S1
App connectivity allows users to control and monitor pumping sessions via a compatible smartphone application.
Indicates whether the breast pump can connect to a companion mobile application.
Bluetooth Connectivity
Does this pump support Bluetooth?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Eufy S1
Bluetooth connectivity facilitates wireless features such as app integration and updates.
Shows whether Bluetooth is used for wireless connection to smart devices.
Smart Alerts
Does this pump provide smart alerts?
No
0
Votes
Eufy S1
Yes 1 Votes Willow 360
Indicates whether alerts are provided for battery, session completion, or errors.
I like that the Willow 360 includes session tracking and smart alerts which helps keep tabs on pumping
Session Tracking
Are pumping sessions tracked automatically?
No
0
Votes
Eufy S1
Yes 0 Votes Willow 360
Indicates whether individual pumping sessions are automatically tracked.
Pumping History Storage
Is pumping history stored?
No
0
Votes
Eufy S1
Yes 0 Votes Willow 360
Shows whether historical pumping data is stored for review.
Firmware Updatability
Can the pump firmware be updated?
No
0
Votes
Eufy S1
Yes 0 Votes Willow 360
Willow 360
Firmware updatability enables feature improvements and bug fixes over time, extending pump usability.
Shows whether firmware updates can be applied to improve performance.
Data Sync Reliability
How reliable is data synchronization?
Who knows? 0 Votes Eufy S1
0 Willow 360 0 Votes Good
Describes reliability of syncing data with companion apps.
Multi-User Profile
Does the app support multiple user profiles?
No
0
Votes
Eufy S1
No
0
Votes
Willow 360
Indicates whether multiple user profiles can be stored in the app.
Physical Dimensions & Weight 7
Weight
How much does this breast pump weigh?
Eufy S1
The device weight is about 2.77 lbs, equivalent to approximately 1.26 kg, balancing durability with portability.
Willow 360
Weighing 5.6 lbs (2.54 kg), the device is moderately heavy, which should be considered for portability.
Indicates the total weight of the breast pump unit.
Eufy S1 is way lighter at just 2.77 lbs compared to the Willow 360 making it easier to wear all day
Height
What is the height of this breast pump?
Eufy S1
The height of the device is approximately 5.99 inches, which equals 15.21 cm, providing a compact footprint.
Measures the vertical height of the breast pump body.
Width
What is the width of this breast pump?
Measures the horizontal width of the breast pump body.
Depth
What is the depth of this breast pump?
Measures the front-to-back depth of the breast pump body.
Component Modularity
Is this breast pump modular in design?
0 Eufy S1 0 Votes Modular
0 Willow 360 0 Votes Modular
Indicates whether the pump is built from separable, modular components.
Wearable Profile Thickness
How thick is the pump when worn?
Eufy S1
The wearable profile thickness is approximately 2.5 inches, which converts to 6.35 cm, contributing to a slim and unobtrusive design.
Willow 360
The wearable profile thickness is 3.3 inches (8.38 cm), suggesting a fairly slim design for discreet wearability.
Measures thickness when worn, affecting discreet wearability.
Form Factor Compactness
How compact is the pump form factor?
0 Eufy S1 0 Votes Compact
0 Willow 360 0 Votes Compact
Willow 360
The form factor is classified as Compact, indicating a size that balances portability and functionality effectively.
Describes how compact the overall design is.
Portability & Travel 8
Carry Case
Is a carry case included?
Yes 0 Votes Eufy S1
No
0
Votes
Willow 360
Shows whether a dedicated carry case is included for transport.
Travel Setup Time
How long does setup take while traveling?
Measures how long it takes to set up the pump for use while traveling.
On-The-Go Usability Rating
How usable is the pump on the go?
0 Eufy S1 0 Votes Excellent
0 Willow 360 0 Votes Excellent
Rates ease of use while traveling or moving.
Discreet Wearability
How discreet is the pump when worn?
0 Eufy S1 0 Votes Discreet
0 Willow 360 0 Votes Very Discreet
Indicates how discreet the pump is under clothing.
Leak Safety During Movement
Does the pump prevent leaks during movement?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Indicates whether the pump prevents leaks while walking or moving.
Cordless Operation
Can this pump be used cordlessly?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Eufy S1
Cordless operation enables convenient use without the constraints of power cords.
Willow 360
Cordless operation allows for enhanced mobility, making pumping possible without a tethered power source.
Indicates whether the pump can operate without being plugged in.
TSA Travel Friendly
Is this breast pump TSA travel friendly?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Eufy S1
TSA travel friendly certification means the product meets the security requirements for air travel.
Indicates whether the pump design is suitable for airport security and air travel.
Travel Lock
Does this breast pump have a travel lock?
No
0
Votes
Eufy S1
No
0
Votes
Willow 360
Indicates whether a lock prevents accidental activation during transport.
Cleaning, Maintenance & Hygiene 11
Sterilizer Compatibility
Can the pump parts be sterilized?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Eufy S1
Sterilizer compatibility confirms parts can be safely sterilized for hygiene maintenance.
Shows whether parts are compatible with steam or UV sterilizers.
Cleaning Time Requirement
How long does cleaning take?
Eufy S1
Cleaning time requirement is as low as 5 minutes, supporting quick maintenance.
Measures the average time needed to clean all milk-contact parts.
Disassembly Complexity
How complex is disassembly for cleaning?
0 Eufy S1 0 Votes Simple
0 Willow 360 0 Votes Simple
Willow 360
The pump features a simple disassembly process, making it easy to clean and maintain.
Describes how complex it is to disassemble the pump for cleaning and maintenance.
Dishwasher Safe Parts
Are the pump parts dishwasher safe?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Indicates whether pump components can be safely cleaned in a dishwasher.
Maintenance Frequency
How often does maintenance need to be done?
Measures how often maintenance tasks are required.
Reassembly Ease
How easy is reassembly after cleaning?
0 Eufy S1 0 Votes Easy
0 Willow 360 0 Votes Easy
Eufy S1
Reassembly ease is rated Easy, allowing quick and simple cleaning and part replacement.
Describes ease of reassembling after cleaning.
Hygiene Safety Rating
How hygienic is the pump?
0 Eufy S1 0 Votes Good
0 Willow 360 0 Votes Good
Willow 360
The hygiene safety rating is good, indicating the product meets basic cleanliness and safety standards.
Rates overall hygiene safety during repeated use.
Residue Buildup Risk
How high is residue buildup risk?
0 Eufy S1 0 Votes Low
0 Willow 360 0 Votes Low
Eufy S1
Residue buildup risk is Low, implying less frequent cleaning requirements and better hygiene.
Indicates likelihood of residue buildup after use.
Filter Replacement Requirement
Does the pump require filter replacement?
No
0
Votes
Eufy S1
No
0
Votes
Willow 360
Indicates whether internal filters require periodic replacement.
Mold Resistance
Is the pump resistant to mold growth?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Indicates resistance to mold growth in moist components.
Cleaning Tool Requirement
Are special cleaning tools required?
No
0
Votes
Eufy S1
No
0
Votes
Willow 360
Indicates whether special tools are required for proper cleaning.
Storage & Milk Handling 7
Spill Resistance
How spill-resistant is the system?
0 Eufy S1 0 Votes Good
0 Willow 360 0 Votes Excellent
Eufy S1
Spill resistance is rated Good, providing reliable protection against accidental leaks during pumping.
Willow 360
Spill resistance is excellent, reducing mess and enhancing convenience during milk expression.
Rates resistance to spills during handling.
Backflow Protection System
Does the pump include backflow protection?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Eufy S1
Featuring a backflow protection system, this pump prevents milk from flowing back into the tubing or pump mechanism, enhancing hygiene and safety.
Willow 360
The backflow protection system prevents milk from contaminating the pump’s motor and tubing, promoting hygiene.
Indicates whether milk is protected from flowing back into pump components.
Storage Transfer Ease
How easy is milk transfer after pumping?
0 Eufy S1 0 Votes Easy
0 Willow 360 0 Votes Very Easy
Eufy S1
Storage transfer ease rated Easy simplifies moving expressed milk from pump collection components to storage containers.
Indicates ease of transferring milk to storage.
Refrigeration Safe Design
Are milk containers safe for refrigeration?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Eufy S1
Refrigeration safe design ensures that storage containers and components can safely be stored in the refrigerator without damage.
Indicates whether milk-contact components are safe for refrigeration.
Milk Storage Compatibility
What milk storage options are compatible with this pump?
0 Eufy S1 0 Votes Bottles, Direct Containers
0 Willow 360 0 Votes Milk Bags, Direct Containers
Indicates which milk storage formats are compatible with the pump.
Direct Storage
Can milk be pumped directly into storage containers?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Willow 360
Direct storage capability means expressed milk can be stored immediately in the pump-compatible containers.
Indicates whether milk can be pumped directly into storage containers.
Bottle Compatibility Standard
Is this breast pump compatible with standard bottles?
No
0
Votes
Eufy S1
No
0
Votes
Willow 360
Indicates whether the breast pump is compatible with commonly used standard baby bottle sizes and threading.
Accessories & In-The-Box 7
Extra Flanges
Are extra flanges included?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Willow 360
Extra flanges are included, allowing users to select the best fit for maximum comfort and efficiency.
Shows whether additional flange sizes are provided out of the box.
Bottle
Are bottles included with this breast pump?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Indicates whether milk collection bottles are included in the package.
Adapter
Is a power adapter included?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Indicates whether a power adapter is included in the package.
Spare Parts
Are spare parts included?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Shows whether spare or replacement parts are provided.
Accessory Expandability
Can additional accessories be added later?
No
0
Votes
Eufy S1
Yes 0 Votes Willow 360
Indicates whether the pump supports additional optional accessories.
Charging Cable
Is a charging cable included?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Eufy S1
The charging cable is included, enabling convenient recharging of the device.
Shows whether a charging cable is included with the pump.
Tubing
Is tubing included in the box?
No
0
Votes
Eufy S1
No
0
Votes
Willow 360
Indicates whether tubing is included for pump operation if required.
Durability & Reliability 8
Button Longevity Rating
How durable are the buttons?
0 Eufy S1 0 Votes Excellent
0 Willow 360 0 Votes Excellent
Willow 360
Button longevity rating is excellent, suggesting lasting and reliable user interface components.
Indicates how long control buttons last over time.
Drop Resistance
How drop-resistant is the breast pump?
Willow 360
The pump can withstand drops of up to 3 ft (0.91 m), providing reasonable durability against accidental falls.
Indicates resistance to damage from accidental drops.
Failure Rate Expectation
What is the expected failure rate?
0 Eufy S1 0 Votes Low
0 Willow 360 0 Votes Low
Willow 360
Failure rate expectation is low, indicating high reliability and fewer malfunctions.
Indicates expected likelihood of product failure.
Motor Durability Rating
How durable is the pump motor?
0 Eufy S1 0 Votes Good
0 Willow 360 0 Votes Good
Rates long-term durability of the motor.
Daily Use Reliability
How reliable is the pump for daily use?
0 Eufy S1 0 Votes Good
0 Willow 360 0 Votes Good
Describes reliability during daily pumping routines.
Internal Seal Longevity
How long do internal seals last?
Eufy S1
Internal seals are expected to last approximately 0.5 years before requiring replacement.
Willow 360
Internal seals are expected to last about 1 year, supporting reliable pump performance within this period.
Measures how long internal seals are expected to remain effective.
Wear Component Replaceability
Can worn components be replaced?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Willow 360
Wear components can be replaced to extend the lifespan of the pump and maintain optimal performance.
Indicates whether high-wear components can be replaced.
Long-Term Performance Stability
How stable is long-term performance?
0 Eufy S1 0 Votes Good
0 Willow 360 0 Votes Good
Rates how stable performance remains over long-term use.
Environmental & Operating Conditions 7
Thermal Cutoff Protection
Does the pump have thermal cutoff protection?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Eufy S1
Thermal cutoff protection safeguards the device from overheating, contributing to user safety and device longevity.
Willow 360
Thermal cutoff protection is included to safeguard the pump from overheating.
Indicates whether the pump automatically shuts down to prevent overheating.
Humidity Tolerance
How tolerant is the pump to humidity?
0 Eufy S1 0 Votes Moderate
0 Willow 360 0 Votes High
Willow 360
This pump tolerates high humidity well, making it suitable for use in diverse climates.
Indicates tolerance to humid environments.
Altitude Suitability
Up to what altitude can this pump operate?
Eufy S1
Altitude suitability extends up to 10,000 ft, or about 3,048 meters, demonstrating reliable performance in high-elevation locations.
Shows the maximum altitude at which the pump can operate effectively.
Operating Temperature Maximum
What is the maximum operating temperature?
Indicates the highest ambient temperature at which the pump can operate safely.
Environmental Stability Rating
How stable is performance across environments?
0 Eufy S1 0 Votes Good
0 Willow 360 0 Votes Good
Rates performance stability across different environments.
Storage Temperature Range
What is the safe storage temperature range?
0 Eufy S1 0 Votes -4°F to 140°F
0 Willow 360 0 Votes -4 – 140°F
Eufy S1
Storage temperature range spans from -4°F to 140°F, equivalent to approximately -20°C to 60°C, indicating robust temperature tolerance for various environments.
Willow 360
The pump operates safely in temperatures from -4°F to 140°F (-20°C to 60°C), suitable for a wide range of environments.
Describes the safe temperature range for storing the pump when not in use.
Operating Temperature Minimum
What is the minimum operating temperature?
Indicates the lowest ambient temperature at which the pump can operate safely.
Warranty & Support 5
Warranty Duration
How long is the warranty period?
0 Eufy S1 0 Votes 1 Year
0 Willow 360 0 Votes 1 Year
Willow 360
The product comes with a 1-year warranty, providing assurance against manufacturing defects.
Indicates the total length of the manufacturer’s warranty coverage.
Customer Support Availability
How can customer support be reached?
0 Eufy S1 0 Votes Phone, Email
0 Willow 360 0 Votes Email, Phone, Live Chat, App Support
Willow 360
Customer support is comprehensive, offering Email, Phone, Live Chat, and App Support for user convenience.
Indicates the channels through which customer support is available.
Replacement Parts Availability
Are replacement parts available?
Yes 0 Votes Eufy S1
Yes 0 Votes Willow 360
Willow 360
Replacement parts are readily available, which helps extend the pump's usability over time.
Indicates whether replacement parts are readily available after purchase.
Support Response Time
How fast is customer support response?
Eufy S1
Customer support response time is within 24 hours, ensuring timely assistance when needed.
Measures how quickly customer support typically responds to inquiries.
Documentation Quality
How good is the product documentation?
0 Eufy S1 0 Votes Excellent
0 Willow 360 0 Votes Good
Eufy S1
The documentation quality is rated as Excellent, indicating comprehensive and clear instructions for use and maintenance.
Describes clarity and usefulness of manuals and setup guides.
Surveys
Because hot takes deserve votes.Suction Power Performance
How satisfied are you with the suction strength of this breast pump during pumping sessions?
Milk Output per Session
How much milk does this breast pump typically collect in one session?
Pumping Session Time
How long does a typical pumping session take with this breast pump?
Battery Runtime
How long can this breast pump run on a full charge?
Noise Level During Use
How loud is this breast pump while operating?
Comfort During Use
How comfortable is this breast pump during regular pumping?
Ease of Setup and Cleaning
How easy is it to assemble, use, and clean this breast pump?
Portability and Travel Friendliness
How convenient is this breast pump for travel or pumping outside the home
Suction Adjustability
How flexible are the suction level adjustments on this breast pump?
Leakage Prevention
How well does this breast pump prevent milk leaks during pumping?
Guides 2
Files 1
Everything You Need to Know About Eufy S1
Files 1
Willow 360 Instruction Guide
Reviews 0
The good, the bad, and the brutally honest.Average Rating
Discussions 0
Thoughts, takes, and hot debates.Awards 0
Only the best made it here.Collections 0
Treasures You’ve picked. No fluff, all fun.More Breast Pumps 0
Unlock more awesome finds.Other eufy Breast Pumps 3
Other Willow Pump Breast Pumps 3
