Open Sleep-offline sleep track
offline sleep tracker&AI coach
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
OpenSleep is the ultimate offline, privacy-first sleep tracker and local AI sleep coach designed to help you understand your sleep patterns without ever compromising your personal data.
100% PRIVATE & ON-DEVICE
Your sleep is personal. OpenSleep processes all motion sensor data (accelerometer, gyroscope) completely locally on your device. Zero servers, zero trackers, and zero external APIs.
LOCAL AI SLEEP COACH
Ask questions about your sleep, circadian rhythm, and morning fatigue to a fully on-device Gemma 4 AI Large Language Model. Experience instant, helpful responses completely offline with zero data leaving your device.
HEALTH SYNCHRONIZATION
Seamlessly records your sleep cycles and stages (Awake, REM, Light, Deep) and synchronizes them directly with Apple Health.
FEATURES:
• Advanced motion-based sleep cycle tracking
• Interactive, gapless sleep stage ring charts
• Local, serverless AI sleep coach powered by on-device LLMs
• Detailed sleep history breakdown and trend analysis
• Fully localized in English, Spanish, Portuguese, German, French, and Italian
• 100% serverless, private, and open-source
Take control of your sleep quality with modern aesthetics and absolute data ownership. Download OpenSleep today.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Optimizations for ios 27 and ipados 27
The developer, Yuan Qian, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Yuan Qian
- Size
- 75.3 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
English and 5 more
- English, French, German, Italian, Portuguese, Spanish
- Age Rating
13+
- 13+
- Infrequent
Medical Treatment information
Contains
User-Generated Content
Health or Wellness Topics
- In-App Purchases
Yes
- OpenSleep Lifetime Premium $2.99
- Copyright
- © opensleep