# Sleep Timer (open-source fitness and health app)

> Sleep Timer is a free, open-source fitness and health app for Android. Simplest Sleep Timer. It has 188 GitHub stars and is released under the Apache-2.0 license, and you can install it from F-Droid and Google Play.

Sleep Timer helps you fall asleep while listening to music or podcasts. When the timer stops, audio playback is gradually lowered then paused. 1. Add the Tile in the Quick Settings panel. 2. Tap the Tile to start a timer. 3. Extend, reduce or cancel the timer with the notification actions. Note: Don't look for a launcher icon, this app only provides a Quick Settings Tile. Open Source project hosted on GitHub:

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/SimonMarquis/SleepTimer |
| Platforms | Android |
| Built with | Kotlin |
| GitHub stars | 188 |
| License | Apache-2.0 (open source) |
| F-Droid | https://f-droid.org/packages/fr.smarquis.sleeptimer/ (package fr.smarquis.sleeptimer) |
| F-Droid anti-features | none flagged |
| Google Play | https://play.google.com/store/apps/details?id=fr.smarquis.sleeptimer |
| App Store | not linked |
| Website | none listed |
| Official | no |
| Category | Fitness & health |
| Latest release | 1.6.3 (Jul 3, 2026) |
| Last commit | Oct 1, 2026 |

F-Droid builds its apps from source and flags anti-features: https://f-droid.org/en/docs/Anti-Features/

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