Momcozy vs Willow

Side-by-side specs from each maker.

Only the differences are shown.

	Hong Kong Lute Technology Co., Limited Momcozy	Willow Innovations, Inc. Willow
Type	Pumping app	Pumping app
Developer	Hong Kong Lute Technology Co., Limited	Willow Innovations, Inc.
Platforms	iOS, visionOS	iOS, watchOS
App price (US store)	Free	Free
In-app plans (as listed)	BirthEase Maternity Ball Program $49.99 (the example in-app purchase listed)	Not listed
Age rating	13+	13+
Data used to track you (label)	Not listed	Location, Contact Info, Identifiers, Usage Data, Sensitive Info, Diagnostics
Data linked to you (label)	Location (precise, coarse), Contact Info (email), User Content, Identifiers (user ID), Usage Data, Diagnostics	Health & Fitness, Purchases, Financial Info, Location, Contact Info, Identifiers, Usage Data, Sensitive Info, Diagnostics
What it logs or does	pumping, feeding, sleep, diaper and supplement logging, timeline and trend charts, AI lactation plan, connected device control for Momcozy pumps, monitors and thermometers, reminders	pump session start/stop/adjust, custom timers and reminders, session history and output tracking, milk bag inventory, articles and videos, booking with lactation consultants
Needs	iPhone, iPod touch or Apple Vision; device features need Momcozy connected produ	Pump control needs a Willow Go, Sync, 360 or 3.0 pump; Wave pumps get manual ent

Momcozy's companion app for its connected pumps, monitors and thermometers, with logging for pumping, feeds, sleep and diapers.

Companion app for Willow wearable pumps. It controls sessions, logs output and tracks stored milk.