Momcozy M9 Mobile Hands-free Breast Pump vs Willow Go Wearable Breast Pump

The maker lists 300 mmHg max suction for the M9 Mobile Hands-free Breast Pump, against 295 mmHg for the Go Wearable Breast Pump. Flange sizes included or sold: 17, 19, 21, 24 mm for the M9 Mobile Hands-free Breast Pump; 15, 17, 19, 21, 24 mm for the Go Wearable Breast Pump.

Only the differences are shown.

Momcozy M9 Mobile Hands-free Breast PumpWillow Go Wearable Breast Pump
TypeWearable breast pumpWearable breast pump
List price$269.99$299.99
Powerrechargeablerechargeable
Single or doubleSingle or doubleSingle or double
Max suction300 mmHg, per the maker295 mmHg, per the maker
ModesMyFlow (personalized), stimulation, expression, mixedNot listed
Suction levels1515
Weight10.7 ozNot listed
BatteryUp to 150 minutes, about 4-5 sessions per chargeUp to 8 pumping sessions per charge
Closed systemNot listedYes, per the maker
Flange sizes17 mm, 19 mm, 21 mm, 24 mm15 mm, 17 mm, 19 mm, 21 mm, 24 mm
CapacityNot listed5 oz
AppYesYes
Noise48 dB, per the makerNot listed
Through insuranceAvailable, per the maker or supplierAvailable, per the maker or supplier
HSA/FSAEligible, per the maker or supplierEligible, per the maker or supplier
Maker's use notesDo not use with a cardiac pacemaker, implanted defibrillator, or other metallic or electronic implant. Insurance via DME partners needs a prescription.Leak-proof up to 45 degrees only; do not use lying down or bending fully over. Single-user device. Replace parts about every 90 days. Charger 5V, 1-2A, not included.

Momcozy M9 Mobile Hands-free Breast Pump

Wearable pump, single or double, with 15 suction levels, 300 mmHg max, a Bluetooth app with volume tracking and 10.7 oz pump unit.

  • 15 levels
  • App with overflow alerts
  • Weight stated by maker
  • Battery 4-5 sessions
  • Insurance route needs a prescription

Willow Go Wearable Breast Pump

Rechargeable wearable pump, single or double, with 15 suction levels, 5 oz cups per side (7 oz cups sold separately) and an app.

  • App with volume tracking
  • HSA/FSA eligible
  • Not leak-proof past 45 degrees