Naptune: Baby Sleep
jiwon kim Lifestyle iPhoneiPadiPod touch
Naptune: Baby Sleep is a free Lifestyle app for iPhone and iPad by jiwon kim. Requires iOS 15.1. Updated May 20, 2026.
- Price
- Free
- on the App Store
- Size
- 26 MB
- Age 4+
- Updated
- May 20
- 2026 · v1.0.1
Screenshots
About Naptune: Baby Sleep
Naptune — Gentle sleep training, built for tired parents. "Is now the right time to put them down?" Every parent asks this. Naptune answers it. ■ Evidence-Based Sleep Training Age-appropriate wake window guidance built right into the app. Know exactly when your baby is ready to sleep — by age, by day, by nap. No guesswork. Includes Ferber check-in timers and Fading method step-by-step guidance for families ready to start. ■ One-Tap Logging Sleep, naps, feeds, night wakes — one button, done. Designed for 3am, when every second counts. ■ Your Baby's Day at a Glance Wake time, nap lengths, time until next sleep — all on one screen. See how the day is going without doing the math. ■ Watch Your Baby Change Weekly wake window accuracy, nap pattern heatmap, night and nap trends. The more you log, the clearer your baby's rhythm becomes. ■ Built For · Parents who want to start sleep training but don't know where to begin · Parents whose nap schedule is all over the place · Parents exhausted from tracking sleep and feeds in separate apps Start today. Your baby's rhythm is already there — Naptune helps you see it.
What’s new
Version 1.0.1 · Updated May 20, 2026
• Drag nap blocks directly on the schedule arc to adjust timing • Wake window v2 — more accurate calculations • Collapsible schedule advice card • Coach card and guidance text improvements
App privacy
The developer, jiwon kim, reported these privacy practices to Apple.
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:
- Purchases: Purchase History
- Identifiers: Device ID
Used for: App Functionality
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