Willow® vs SkinTracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Willow®
Manage your Willow breast pump, track milk output, and access expert advice for pumping and postpartum care. Features include personalized pump control, session history, and AI-powered support.
- Control Willow pumps remotely
- Track milk output and session history
- Manage digital milk stash (SmartStash)
- Access expert articles and videos
- AI-powered women's health chat
- Book expert consultations
Read full descriptionHide full description
More than a pump app. A support system. Control your pumps with a tap from your phone or your wrist, track your session history, and view your pumping trends and metrics. Scan and manage Willow SmartStash Bags in your fridge and freezer. Plus, get access to expert guidance from educational content, live services, and our specialized, AI-powered chat—a virtual support system designed to support you across pumping, feeding, and postpartum care. Who can use the Willow app? This app is compatible with all connected pumps, including Willow Go, Sync, 360, and 3.0. Willow Wave users can manually add manual pump sessions to their session history. And anyone wanting to manage their milk stash can keep track in our SmartStash inventory tracker. All of the pumping, feeding, maternal healthcare, parenting and baby development resources in the app are free for anyone to use! Operate your pumps with a tap. Start and stop your session, switch between modes (Go and Sync), adjust suction levels, and view your pumping duration, all from your phone or smart watch. Set up your own Pumping Preferences, including suction levels and custom timer settings, and set reminders so every session works just the way you like. Get the only app that lets you control your session from your Apple Watch. NEW! You can now control your Go pumps, in addition to Willow 360 and 3.0. Track your sessions. Understand your output. Follow your milk output, session durations, add manual pump sessions and more for a complete picture of your pumping history. Spot trends, optimize your routine, and pump with confidence. With SmartStash, you can quickly and easily scan Willow Milk Bags into your digital stash to manage your inventory in the app. Get your questions answered. Access a comprehensive library of expert-backed articles and videos on all things pumping, feeding, and postpartum care, from establishing supply and building schedules to combo-feeding and more. The Willow app also includes our conversational AI, specially dedicated to women’s health, designed by moms for moms. With both expert resources and AI-powered support, you always have trusted guidance at your fingertips. Book expert sessions for personalized guidance. Connect with lactation consultants, pelvic floor therapists, mental health professionals, Willow sizing experts, and more. Because we know it takes a village. Visit onewillow.com to learn more about the app and explore accessories, content, and more.
SkinTracker
Read full descriptionHide full description
SkinTracker is a mobile application used by participants in the PARADE research study, which is occuring in partnership with Oregon Health and Science University and University of California San Francisco. It allows users to take photos related to their skin health.
Screenshots
Verdict
The clearest difference is ads: SkinTracker at none against Willow®'s shown. SkinTracker also leads on update cadence (every 9 days vs monthly) and iOS requirement (13.1 vs 15.6). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Willow® ships an update monthly, SkinTracker every 9 days. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.
| Parameter | Willow® | SkinTracker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2.7K ratings) — better | — |
| Positive reviews | 13.5% of reviews | — |
| Number of ratings | 2.7K — better | — |
| Update frequency | Monthly | Every 9 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.6 | 13.1 — better |
| Further details — not scored | ||
| Size | 102 MB | 111 MB |
| Age rating | 12+ | 12+ |
| Developer | Willow Innovations, Inc. | University of California at San Francisco |
Bugs and requests
Willow®
Reported bugs
3 issues- App frequently disconnects from pumps
- Timer and session data not always accurate
- Pumps sometimes stop working mid-session
Requested features
3 requests- Add ability to log pumping volume and history
- Allow customization of pump timer
- Improve app responsiveness and reliability
SkinTracker
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Willow®
No in-app purchases
SkinTracker
No in-app purchases
Questions
Is Willow® free?
Is SkinTracker free?
Do Willow® or SkinTracker have ads?
Which is updated more often, Willow® or SkinTracker?
Other comparisons















