Baby Tracker & Sleep: Willo
Baby Tracker & Sleep: Willo is made and published by Sonora Labs LLC. AppBrain is an independent app data site and isn't affiliated with Sonora Labs LLC. The app name, icon, screenshots and description belong to Sonora Labs LLC and are shown as published on the App Store.
AppBrain's verdict
Loved by users- Rating on App Store
- 4.86
- 395 ratings
- Last updated
- October 8, 2026
Users love it: 4.9 stars from 395 ratings.
Rankings
App Store top chartsApp Store Rankings for Baby Tracker & Sleep: Willo
Releases
Updates seen on the App Store- Version
- 2.0.8
- Launched
- August 2025
No changelog data
User feedback
Ratings and reviews on the App StoreComments on Baby Tracker & Sleep: Willo for iOS
We don't have enough comments to show example comments. Please check back later.
Technology
Found in the app by AppBrain- Price
- Free
- App size
- 107.7 MB
- Content rating
- Everyone
Technologies used by Baby Tracker & Sleep: Willo
About the app and developer
About Baby Tracker & Sleep: Willo
Baby Tracker & Sleep: Willo is a health & fitness app developed by Sonora Labs LLC.
User Ratings
Baby Tracker & Sleep: Willo is rated 4.86 out of 5 stars. The rating is based on 400 ratings.
App Information
Baby Tracker & Sleep: Willo is freely available from the App Store. The app size is 107.67 MB. The latest version available is 2.0.8. The last update was on October 8, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since August 2025.
Developer information for Sonora Labs LLC
Address:
Frequently asked questions about Baby Tracker & Sleep: Willo
Is Baby Tracker & Sleep: Willo free?
Yes. Baby Tracker & Sleep: Willo is free on the App Store.
Is Baby Tracker & Sleep: Willo still available?
Yes. Baby Tracker & Sleep: Willo is on the App Store, and the last update we saw was on October 8, 2026.
How large is Baby Tracker & Sleep: Willo?
Baby Tracker & Sleep: Willo is 107.67 MB.
Is Baby Tracker & Sleep: Willo suitable for children?
App Store rates the content of Baby Tracker & Sleep: Willo as suitable for everyone.
How do people rate Baby Tracker & Sleep: Willo?
Baby Tracker & Sleep: Willo scores 4.86 out of 5 stars, from 395 ratings on the App Store.
Who made Baby Tracker & Sleep: Willo?
Baby Tracker & Sleep: Willo was developed by Sonora Labs LLC. It is listed in the health & fitness category on the App Store.
Store listing
By Sonora Labs LLC, from the App StoreDescription by Sonora Labs LLC Written by the developer, not by AppBrain. Click to read.
Willo is the baby tracker and parenting app made for tired moms, dads, and caregivers who want calmer days, better baby sleep, and more confidence in early parenthood. Built for newborns through age 6, Willo turns the chaos of baby development into something you can actually understand.
35 Developmental Phases, Not a Mystery:
Willo maps your baby's first six years into 35 named developmental phases. Each one explains what is happening in your baby's brain, body, sleep, and mood, so you can stop guessing why things changed overnight. Ahead of every sleep regression, fussy week, and growth spurt, Willo gives you a heads up and a plan.
A Baby Tracker That Actually Gets It:
Log moods, track bedtime routines, celebrate milestones, and watch your baby's journey unfold on a personalized daily home screen. Willo is the baby milestone tracker and baby development tracker parents keep coming back to, because it speaks to how you feel, not just what your baby did.
Willo AI: Your 24/7 Parenting Assistant:
Ask anything, any time of night. Willo AI is an always on parenting assistant that gives warm, science based answers about baby sleep, feeding, milestones, mood, and your own wellbeing. No more 3am Googling. No more spiraling. Just one trusted place to turn.
Sleep Sound Library for Better Baby Sleep:
Calming white noise, pink noise, womb sounds, lullabies, ocean waves, and gentle frequencies designed to help your baby fall asleep faster and stay asleep longer. A simple baby sleep sounds app built into a full parenting companion.
Bite Sized Parenting Guidance:
Short, clear daily tips matched to your baby's age and current phase. Covering sleep, new skills, emotional changes, feeding, play, and what your baby may be learning right now. No long articles, no confusing advice, just the support you need in the moment.
The Memory Book: One Photo A Day:
The new Today tab turns every day into a keepsake. Snap one photo of your baby, add a sentence if you want, and Willo automatically stamps it with the age, phase, and any milestone you logged that day. Scroll back in a year and watch your baby grow through every phase, every little face, every tiny change you were too tired to remember. Your photos stay on your device. Never uploaded, never shared, yours forever.
Mood Journal for Baby and You:
Log how your baby feels, spot patterns in the calendar view, and notice the quiet wins. Willo helps you see your baby, and yourself, more clearly.
A Village That Gets You:
Real moms, real posts, real honesty. The in app community is where you can share the highs, the hard nights, and everything in between.
Made for Parents, Not Babies:
Willo is not a toy. It is a calm, thoughtfully designed companion for the parent behind every little person. Whether you are a first time mom navigating the newborn phase, a dad running on two hours of sleep, or a caregiver looking for peace of mind, Willo brings clarity, calm, and connection to your day.
Install Willo and see how much lighter parenting can feel when you finally have a guide. Whether you have 5 minutes or 5 seconds, Willo meets you where you are.
Subscription Required:
Willo offers a free onboarding flow to help you get started. Access to all premium features, including the Baby Tracker, Sleep Sound Library, Parenting Guidance, Willo AI, and Community requires a subscription.
Disclaimer:
Willo is not a medical device and does not offer medical advice, diagnosis, or treatment. Content is for informational purposes only and should not replace professional guidance. Always consult your pediatrician regarding your baby's health or development.
Need help? Email: help@meetwillo.app
Support: https://meetwillo.app/support
Terms of Use: https://meetwillo.app/terms
Privacy Policy: https://meetwillo.app/privacy/