# TimeR Machine (open-source fitness and health app)

> TimeR Machine is a free, open-source fitness and health app for Android. A highly customizable interval timer. It has 366 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid and Google Play.

TimeR Machine is a free interval timer for not just workout and exercise, but also any situations you need to construct personalized, multi-stage timer plans. It's highly customizable and able to create almost whatever kind of timer you need. Suitable for all kinds of activities, including: - HIIT (High-Intensity Interval Training) workout - Tabata workout - Gym workout - Run, jog, walk exercise - Other sports workouts like cycling, running, stretching, boxing, MMA, circuit training, at-home bodyweight training workouts, cross fit, weightlifting, yoga...

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/timer-machine/timer-machine-android |
| Platforms | Android |
| Built with | Kotlin |
| GitHub stars | 366 |
| License | GPL-3.0-only (open source) |
| F-Droid | https://f-droid.org/packages/io.github.deweyreed.timer.other/ (package io.github.deweyreed.timer.other) |
| F-Droid anti-features | none flagged |
| Google Play | https://play.google.com/store/apps/details?id=io.github.deweyreed.timer.google |
| App Store | not linked |
| Website | none listed |
| Official | no |
| Category | Fitness & health |
| Latest release | 7.8.0 (Jun 1, 2026) |
| Last commit | Sep 12, 2026 |

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

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