Moon: Sleep & Rhythm Tracker

Moon — Understand Your Sleep. Improve Yourself.
Moon is for anyone who wants to understand their sleep on a deeper level. Don't feel rested even after a full night? Or already sleep well but want to see what happens while you rest? Moon shows the complete picture: sleep phases, recovery quality, trends, and patterns.
The app helps restore your natural rhythm, better understand your body, and wake up feeling energized. With deep Apple Watch and HealthKit integration — automatically, accurately, and effortlessly.
Built with modern iOS 26 design — intuitive, fluid, and natural for iPhone.
WHAT MOON CAN DO
Social Sleep Challenges
Form healthy habits together! Compete with friends or other users in social challenges. Build streaks, improve your sleep quality, and support each other on the way to better rest.
Moon AI — Your Personal Sleep Assistant
Ask questions about your sleep and get personalized advice based on your data. The assistant sees your trends, sleep quality, and helps improve your rest. Now with Analysis Modes to tailor insights to your specific needs.
Morning Thoughts & AI Analysis
Don't let your best ideas or vivid dreams fade away. Record them instantly with your voice after the alarm. Save them to the built-in journal or ask Moon AI to interpret your dreams and analyze your morning mindset.
Wake-Up Tasks
Complete a mission to dismiss the alarm — no more accidental snooze taps while half-asleep:
- Phone rotation: prove you got out of bed
- Math challenge: solve a problem to activate your brain
- Light detection: turn on a light
- Affirmations: read motivating phrases aloud
The alarm won't stop until you complete the task.
Wake Confirmation
Tap "I'm Awake" to confirm. Backup system: if you close the app before completing — the alarm will ring again.
High-Precision Algorithm
Our improved v4.1 algorithm syncs seamlessly across devices, providing the most accurate analysis of your night and making the score calculation process completely transparent. Moon Sleep Score analyzes 6 key factors: duration, efficiency, continuity, sleep architecture, regularity, and bedtime, helping you consciously manage the quality of your rest.
Sleep Analysis
Shows deep, light, and REM sleep phases, interruptions, and rest efficiency. Helps you see the real causes of fatigue — even when you spend enough time in bed.
Schedule Correction
If your routine is off track, Moon helps gently restore it comparing your target wake time with the actual and gradually shifting it by 10–15 minutes.
Health Metrics
Heart rate, breathing, wrist temperature, and other metrics affecting recovery. With Apple Watch — maximum accuracy.
Trends and Insights
Tracks 11 key metrics over time: duration, quality, sleep phases, bedtime. Notice improvements and understand what truly affects how you feel.
Sleep Sounds
Relax and fall asleep faster with calming sounds that automatically stop playing.
Privacy First
All data stays on your device only. No accounts, no ads, no tracking.
Achievements & Badges
Stay motivated with our revamped achievement system. Earn unique badges for reaching long-term milestones.
Minimum Requirements:
- iPhone with iOS 17 or later
- Apple Watch for full sleep analysis (recommended)
- Notification and HealthKit permissions