Baby Tracker & Sleep: Willo
Sonora Labs LLC Health & Fitness iPhoneiPadiPod touch
Baby Tracker & Sleep: Willo is a free Health & Fitness app for iPhone and iPad by Sonora Labs LLC. Rated 4.9/5 from 397 ratings. Requires iOS 15.1.
- Rating
- 4.9
- 397 ratings
- Price
- Free
- on the App Store
- Size
- 114 MB
- Age 4+
- Updated
- Aug 26
- 2026 · v2.0.7
Screenshots
About Baby Tracker & Sleep: Willo
You're doing better than you think. 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: [email protected] Support: https://meetwillo.app/support Terms of Use: https://meetwillo.app/terms Privacy Policy: https://meetwillo.app/privacy/
Ratings & reviews
4.9
397 ratings
What’s new
Version 2.0.7 · Updated August 26, 2026
Bug fixes and performance improvements.
App privacy
The developer, Sonora Labs LLC, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Purchases: Purchase History
- Usage Data: Advertising Data
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Purchases: Purchase History
- Health & Fitness: Health
- Identifiers: User ID
- Usage Data: Product Interaction, Advertising Data
- Contact Info: Email Address, Name
- User Content: Photos or Videos, Other User Content
Used for: Third-Party Advertising, Analytics, Product Personalization, App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: User ID, Device ID
- Usage Data: Advertising Data
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
Used for: Third-Party Advertising, Analytics, App Functionality
Alternatives to Baby Tracker & Sleep: Willo
Looking for apps like Baby Tracker & Sleep: Willo? Here are 6 similar apps on the App Store. The highest rated is Babee.ai: Baby Tracker Newborn (5.0/5), and all 6 are free to download.
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Babee.ai: Baby Tracker Newborn
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Riley: Baby Development Coach
4.5
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Eve: Motherhood Wellness
4.6
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Coozy: Baby Milestone Tracker
4.8
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Cry Translator Baby Assistant
4.7
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Snozzzy - Baby Sleep Tracker
4.6
| App | Rating | Price | Last updated |
|---|---|---|---|
| Baby Tracker & Sleep: Willo | 4.9 / 5 (397 ratings) | Free | August 26, 2026 |
| Babee.ai: Baby Tracker Newborn | 5.0 / 5 (34) | Free | Sep 15, 2026 |
| Riley: Baby Development Coach | 4.5 / 5 (713) | Free | Sep 11, 2026 |
| Eve: Motherhood Wellness | 4.6 / 5 (1,809) | Free | Jul 11, 2026 |
| Coozy: Baby Milestone Tracker | 4.8 / 5 (290) | Free | Sep 8, 2026 |
| Cry Translator Baby Assistant | 4.7 / 5 (613) | Free | Sep 24, 2026 |
| Snozzzy - Baby Sleep Tracker | 4.6 / 5 (5) | Free | Jun 18, 2026 |