Cozy Timer - Sleep timer v4.0.11
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About this app
Stop music and video while you sleep.
*What is this app?
If you fall asleep while listening to music or watching a video, it will stop playback.
It can help prevent you from waking up due to prolonged playback and alleviate battery drain and screen burn-in.
Therefore, this app can improve the quality of your sleep and extend the life of your device.
*How do I use it?
Just tap the start button and it will stop the playing player after 1 hour.
If you need more features when the timer expires, add it in settings.
*Cozy Timer 4.0 is now available!
1. Schedule mode has been changed to a feature to schedule a timer.
- The timer will start at the scheduled time.
2. Media stop added.
3. Timer presets added.
4. Dynamic color added.
- Android 12 or higher.
5. The location and name of some settings have been changed.
- Shake to add time, Floating button ➔ Settings-Add time.
6. The feature that starts a timer when the app launches has been removed.
7. Compatible with Android 16.
*Permissions
1. Accessibility
- Detect the launched app.
- Includes screen off feature that can be unlocked by fingerprint recognition.
2. Device administrator
- Turn off the screen.
3. Exclude from battery optimization
- Cozy timer can request permission to be excluded from battery optimization to work properly in the background service.
*Open source license
- Apache License Version 2.0
- MIT License
- Creative Commons 3.0
If you fall asleep while listening to music or watching a video, it will stop playback.
It can help prevent you from waking up due to prolonged playback and alleviate battery drain and screen burn-in.
Therefore, this app can improve the quality of your sleep and extend the life of your device.
*How do I use it?
Just tap the start button and it will stop the playing player after 1 hour.
If you need more features when the timer expires, add it in settings.
*Cozy Timer 4.0 is now available!
1. Schedule mode has been changed to a feature to schedule a timer.
- The timer will start at the scheduled time.
2. Media stop added.
3. Timer presets added.
4. Dynamic color added.
- Android 12 or higher.
5. The location and name of some settings have been changed.
- Shake to add time, Floating button ➔ Settings-Add time.
6. The feature that starts a timer when the app launches has been removed.
7. Compatible with Android 16.
*Permissions
1. Accessibility
- Detect the launched app.
- Includes screen off feature that can be unlocked by fingerprint recognition.
2. Device administrator
- Turn off the screen.
3. Exclude from battery optimization
- Cozy timer can request permission to be excluded from battery optimization to work properly in the background service.
*Open source license
- Apache License Version 2.0
- MIT License
- Creative Commons 3.0
In-app purchases
$1.00 - $10.00 per item
Version Information
- Version
- 4.0.11
- Downloads
- 1M+
- Updated on
- Dec 7, 2025
- Released
- May 23, 2017
- Requires
- Android 8.0
What's New
• 2025-11-30
Bluetooth can be controlled on Android 12.
- On Android 12, it may not work due to security policies.
- Bug fixes.
Bluetooth can be controlled on Android 12.
- On Android 12, it may not work due to security policies.
- Bug fixes.
Ratings & Reviews
Developer Response