Mother's Nature W1 Warming Wearable Breast Pump vs Willow Sync Wearable Breast Pump

The maker lists 300 mmHg max suction for the W1 Warming Wearable Breast Pump, against 245 mmHg for the Sync Wearable Breast Pump. Flange sizes included or sold: 15, 17, 19, 21, 24 mm for the W1 Warming Wearable Breast Pump; 13, 15, 17, 19, 21, 24, 27 mm for the Sync Wearable Breast Pump.

Only the differences are shown.

Mother's Nature W1 Warming Wearable Breast PumpWillow Sync Wearable Breast Pump
TypeWearable breast pumpWearable breast pump
List price$195$199.99
Powerrechargeablerechargeable
Single or doubleDoubleSingle or double
Max suction300 mmHg, per the maker245 mmHg, per the maker
ModesStimulation, Expression, 2-Phase, BioBoostNot listed
Suction levels1220
BatteryQuick 90-minute charge for over 2+ hours of useUp to 3 pumping sessions
Flange sizes15 mm, 17 mm, 19 mm, 21 mm, 24 mm13 mm, 15 mm, 17 mm, 19 mm, 21 mm, 24 mm, 27 mm
Capacity6 oz5 oz
AppNot listedYes
Noise46 dB, per the makerNot listed
Through insuranceNot listedAvailable, per the maker or supplier
HSA/FSANot listedEligible, per the maker or supplier

Mother's Nature W1 Warming Wearable Breast Pump

A rechargeable wearable double pump set with four modes, 12 levels, an optional warming breast shield, and 15 to 24 mm shield sizes.

  • Four named modes
  • Five shield and insert sizes included
  • 3-year motor warranty
  • No app
  • Not listed by the maker: weight

Willow Sync Wearable Breast Pump

Rechargeable wearable pump with one motor and two 5 oz cups, usable single or double, with 20 suction levels and an app.

  • 20 suction levels
  • App logs volume and sessions
  • Battery up to 3 sessions