eufy Wearable Heated Breast Pump S2 Pro vs Willow 360 Wearable Breast Pump

The maker lists 300 mmHg max suction for the Wearable Heated Breast Pump S2 Pro, against 245 mmHg for the 360 Wearable Breast Pump. Flange sizes included or sold: 15, 17, 19, 21, 24, 27 mm for the Wearable Heated Breast Pump S2 Pro; 13, 15, 17, 19, 21, 24, 27 mm for the 360 Wearable Breast Pump.

Only the differences are shown.

eufy Wearable Heated Breast Pump S2 ProWillow 360 Wearable Breast Pump
TypeWearable breast pumpWearable breast pump
List price$449.99$499.99
Powerrechargeablerechargeable
Single or doubleNot listedDouble
Max suction300 mmHg, per the maker245 mmHg, per the maker
Modes4 presets, DIY massage mode, DIY 2.0 rhythmSmart Suction (switches from stimulation to expression automatically)
Suction levels107
Battery6.5 hrUp to 5 pumping sessions per charge
Flange sizes15 mm, 17 mm, 19 mm, 21 mm, 24 mm, 27 mm13 mm, 15 mm, 17 mm, 19 mm, 21 mm, 24 mm, 27 mm
Capacity5 oz4 oz
AppYesYes
Noise46 dB, per the makerNot listed
Through insuranceNot listedAvailable, per the maker or supplier
HSA/FSAEligible, per the maker or supplierEligible, per the maker or supplier
Maker's use notesMaker notes battery and performance figures vary by use; case claim up to 7 days at 20-minute sessions 3 times a day without heat or massage.Single-user device. Use only the charger provided or sold by Willow. Replace parts every 90 days.

eufy Wearable Heated Breast Pump S2 Pro

Heated wearable pump with a wireless-charging case, 10 suction levels, 3 massage intensities, 7 heat levels and app control.

  • App with schedule and reports
  • 7 oz container sold separately
  • Highest price of the eufy models

Willow 360 Wearable Breast Pump

Double rechargeable wearable pump (formerly Willow 3.0) with 7 suction levels, 4 oz per side, and phone or Apple Watch control.

  • App with Apple Watch control
  • Wide insert range
  • HSA/FSA eligible
  • 4 oz per side capacity