# trale (open-source fitness and health app)

> trale is a free, open-source fitness and health app for Android. Privacy-respecting body weight-diary. It has 226 GitHub stars and is released under the AGPL-3.0-or-later license, and you can install it from F-Droid.

Lock in your optimal weight by losing or gaining with this simple, material design app. Why trale ? * Truly gratis: No annoying advertising, no tracker * Modern appearance using Material Design 3 * Customizable: Many custom themes, dark mode, and several units * Track your progress with state-of-the-art data modeling * Import and export of your measurements * Privacy: Permissions are optional. Only reminders and Health Connect sync ask for one, and we do not collect any data * Copylefted libre software: Our words are not just empty promises Upcoming features * Achievements and motivational messages Join our community today!

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/QuantumPhysique/trale |
| Platforms | Android |
| Built with | Flutter |
| GitHub stars | 226 |
| License | AGPL-3.0-or-later (open source) |
| F-Droid | https://f-droid.org/packages/de.quantumphysique.trale/ (package de.quantumphysique.trale) |
| F-Droid anti-features | none flagged |
| Google Play | not linked |
| App Store | not linked |
| Website | https://quantumphysique.de/ |
| Official | no |
| Category | Fitness & health |
| Latest release | v1.5.0 (Oct 5, 2026) |
| Last commit | Oct 5, 2026 |

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

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