zZZ - Sleep Tracker
子龙 郭 Health & Fitness iPhoneiPadiPod touchApple Watch
zZZ - Sleep Tracker is a free Health & Fitness app for iPhone and iPad by 子龙 郭. Requires iOS 17.0. Updated March 6, 2024.
- Price
- Free
- on the App Store
- Size
- 41 MB
- Age 12+
- Updated
- Mar 6
- 2024 · v1.1.4
Screenshots
About zZZ - Sleep Tracker
zZZ - Sleep Tracker Sleep better with zZZ, your smart sleep assistant. We can analyze your sleep data automatically using your Apple Watch. We using sleep data with the Apple Health app on iPhone empowers you to better manage your sleep. Explore trends about your sleep and compare your sleep quality with many Apple Health metrics that affect sleep. Join us that have discovered the life-changing benefits of great sleep! Track your sleep - Wearing your Apple Watch during sleep. We will automatically detect and analyze your sleep. Analysis your sleep - Detailed sleep stage diagram (Awake, REM, Core Sleep, Deep Sleep) and sleep rate. - Show the percentage & duration of that More Sleep Info - Asleep & Awake time - Explore your sleep history with Day, Week, Month, and Custom Date - Sleeping wrist temperature, Sleeping heartbeat rate, Respiratory rate - Discover all aspects of your sleep Sleep Quality - Analyze your sleep and rate that.Find the bad days or nice dream days - Help you to improve your sleep Setting - Theme Setting - Widget - Notification - More App Icons - Share with friends Watch App - You can also use the app in your watch. Privacy by Design - We uses Apple’s HealthKit API which reads and writes data directly on your device only, and all of your data is stored locally, or on other devices which you enabled iCloud syncing. FINALLY, Wish you have a good night~
What’s new
Version 1.1.4 · Updated March 6, 2024
This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included. - Stability improvements.
App privacy
The developer, 子龙 郭, 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:
- Usage Data: Product Interaction
- Diagnostics: Crash Data, Performance Data
Used for: Analytics
Alternatives to zZZ - Sleep Tracker
Looking for apps like zZZ - Sleep Tracker? Here are 6 similar apps on the App Store. The highest rated is Sono - Sleep Tracker for Watch (5.0/5), and 5 of the 6 are free to download.
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MindSleep: Nap & Sleep Tracker
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Sleep Tracker Journey
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| zZZ - Sleep Tracker | – | Free | March 6, 2024 | |
| MindSleep: Nap & Sleep Tracker | 4.3 / 5 (8) | Free | Oct 2, 2026 | Compare |
| Sono - Sleep Tracker for Watch | 5.0 / 5 (7) | Free | Jun 10, 2026 | Compare |
| Sleep Tracker Journey | 4.2 / 5 (26) | Free | Apr 23, 2024 | Compare |
| zZz - Sleep Tracker Widget | 2.9 / 5 (11) | Free | Feb 14, 2024 | Compare |
| SleepMatic: Sleep Tracker | 4.4 / 5 (8,752) | 1.99 USD | Sep 14, 2026 | Compare |
| SleepOnTime - Sounds & Tracker | 4.5 / 5 (8) | Free | Sep 11, 2026 | Compare |