Moonbub
Sebastian Robison Health & Fitness iPhoneiPadiPod touch
Moonbub is a free Health & Fitness app for iPhone and iPad by Sebastian Robison. Requires iOS 15.1. Updated June 3, 2026.
- Price
- Free
- on the App Store
- Size
- 44 MB
- Age 4+
- Updated
- Jun 3
- 2026 · v1.1.0
Screenshots
About Moonbub
Moonbub helps you track your baby's sleep and know exactly when they're ready for their next nap - using the same wake window science that premium apps charge for. The difference? Moonbub is free. Completely, permanently free. We built Moonbub because every parent of a newborn deserves good tools, not another subscription. No ads. No paywalls. No "premium" tier. Just a clean, thoughtful app that works. FEATURES - One-tap sleep timer for naps and nighttime - Smart wake window tracking with color-coded zones (Sweet Spot, Tired, Overtired) - Live countdown showing how long until baby's next nap - Manual sleep entry for sessions you forgot to track - Daily summary with total sleep, nap count, and longest stretch - Sleep history organized by day with quick patterns at a glance - Multiple baby profiles for siblings or twins - Push notifications when wake windows are closing - Secure account with email login and password reset WAKE WINDOWS Moonbub uses age-appropriate wake window ranges based on pediatric sleep research. As your baby grows, wake windows automatically adjust. The arc gauge shows you exactly where your baby is: Green = Too soon for a nap Yellow = Sweet spot - ideal time to start winding down Orange = Getting tired - put baby down soon Red = Overtired - baby may struggle to fall asleep WHY FREE? We believe sleep tracking shouldn't be a luxury. The first months with a baby are exhausting enough without worrying about subscription fees. Moonbub exists to support parents, not monetize them. Moonbub is maintained with care and updated twice yearly where required to keep things running smoothly and adapt to the latest platform changes. DESIGNED FOR TIRED EYES Dark theme by default. Large touch targets. Minimal steps. Because at 3 AM, you need an app that just works. Suitable for babies and toddlers aged 0-24 months. Questions or feedback? We'd love to hear from you: [email protected] Privacy Policy: https://baby-sleep-app-fkftd5.abacusai.app/privacy Terms of Use: https://baby-sleep-app-fkftd5.abacusai.app/terms
What’s new
Version 1.1.0 · Updated June 3, 2026
> • Fixed: Sleep history now correctly shows all sessions regardless of timezone > • New: Pause tracking when you don't need wake window monitoring (e.g., overnight) > • Improved: All times now use your device clock for accurate local time display
App privacy
The developer, Sebastian Robison, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Contact Info: Email Address
Used for: Other Purposes
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:
- Contact Info: Name
Used for: App Functionality
Alternatives to Moonbub
Looking for apps like Moonbub? Here are 6 similar apps on the App Store.
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Sleep Drop AI
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PureHabit: Habit Tracker
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BabyKeep: Baby Tracker & Log
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BabyFeed: Newborn Log Tracker
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Soft Signal
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JoyNap: Baby Tracker
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Moonbub | – | Free | June 3, 2026 | |
| Sleep Drop AI | – | Free | Apr 22, 2026 | Compare |
| PureHabit: Habit Tracker | – | Free | May 31, 2026 | Compare |
| BabyKeep: Baby Tracker & Log | – | Free | Oct 12, 2026 | Compare |
| BabyFeed: Newborn Log Tracker | – | Free | Apr 27, 2026 | Compare |
| Soft Signal | – | Free | Jan 16, 2026 | Compare |
| JoyNap: Baby Tracker | – | Free | Sep 12, 2026 | Compare |
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