Comparison

Willow® vs Momentum Fit Studio

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read 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.

About

Momentum Fit Studio

Features
Read full description

Momentum Fitness Studio + Community: Build strength. Find your rhythm. Connect with community. Momentum Fit Studio isn’t just another fitness app—it’s your home base for movement, motivation, and meaningful connection. Whether you’re joining us in person at the studio or engaging through our online programs, the app makes it simple to stay on track, feel supported, and step confidently into your momentum. With the Momentum Fit Studio app, you can: - Book & manage classes with ease: Quickly reserve your spot in our strength, conditioning, mobility, and cardio classes. Never miss your favorite session with a smooth booking system that keeps you organized. - Join special programs designed for every stage: From Ignite (a six-week progressive strength and endurance program), to Restore (a postpartum rebuild + recovery series), to kids training and enrichment, our programs are built to meet you where you are and help you grow stronger week by week. - Track your progress & stay accountable: Consistency matters. See your schedule, monitor attendance, and stay motivated by celebrating the work you’re putting in. - Stay connected to the community: Fitness feels better together. Get instant updates on studio news, special events, and workshops. Connect with a community that celebrates every win and supports you through every challenge. - Manage your membership with flexibility: Purchase passes, update your account, and handle renewals right from the app. Everything you need is at your fingertips—no paperwork, no hassle. - Discover your own version of strength: At Momentum, we believe strength looks different for everyone. We welcome every pace, every story, and every kind of strong. Momentum Fit Studio is built on three pillars: empowerment, connection, and sustainable strength. We’re not about quick fixes or one-size-fits-all programs—we’re about creating an environment where you can move well, build resilience, and feel supported at every step of your journey. Whether you’re a busy parent squeezing in workouts, an athlete training for your next goal, or someone looking for a safe place to start moving again, Momentum provides the classes, coaching, and community to help you thrive. Download Momentum Studio today and step into your momentum—because your strength, your story, and your community matter.

Screenshots

Willow®4 screens
Momentum Fit Studio4 screens

Verdict

The call

The clearest difference is ads: Momentum Fit Studio at none against Willow®'s shown. Willow®'s advantage is update cadence (monthly vs every 3 months). On price, in-app purchases, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Willow® ships an update monthly, Momentum Fit Studio every 3 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 8 level
Willow® versus Momentum Fit Studio: the parameters behind the verdict, then further details
ParameterWillow®Momentum Fit Studio
PriceFreeFree
Rating4.5 (2.8K ratings) — better—
Positive reviews13.5% of reviews—
Number of ratings2.8K — better—
Update frequencyMonthly — betterEvery 3 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPad
Requires iOS15.6 — better16.4
Further details — not scored
Size103 MB121 MB
Age rating12+12+
DeveloperWillow Innovations, Inc.Sutra Fitness, Inc.

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

Momentum Fit Studio

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Willow®

No in-app purchases

None

Momentum Fit Studio

No in-app purchases

Questions

Is Willow® free?
Willow® is free to download, with no in-app purchases.
Is Momentum Fit Studio free?
Momentum Fit Studio is free to download, with no in-app purchases.
Do Willow® or Momentum Fit Studio have ads?
Willow® shows ads; Momentum Fit Studio does not.
Which is updated more often, Willow® or Momentum Fit Studio?
Willow® ships an update monthly, and Momentum Fit Studio every 3 months. Most recently, Willow® was updated on October 30, 2026 and Momentum Fit Studio on October 27, 2026.

Other comparisons