AsteroidOS Sync
AsteroidOS Sync is a free, open-source fitness and health app for Android. Synchronize with your AsteroidOS smartwatch. It has 116 GitHub stars and is released under the GPL-3.0-or-later license, and you can install it from F-Droid.
- Android
- Java
- Fitness & health
- Actively maintained
About AsteroidOS Sync
AsteroidOSSync is the official Android companion app for synchronizing your AsteroidOS smartwatch. • Time sync • Weather sync • Notification sync • "Find my watch" • Grab a screenshot To learn more about AsteroidOS, visit
Privacy and F-Droid
F-Droid builds AsteroidOS Sync from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.
No anti-features flagged on the latest F-Droid build.
Screenshots
Screenshots from the app's F-Droid listing.
Similar apps
More open-source fitness and health apps
openScale
oliexdev/openScale
Weight and body metrics tracker, with support for Bluetooth scales.
Fitness & healthAndroidHabitica for Android
HabitRPG/habitica-android
Native Android app for Habitica.
Fitness & healthAndroid
OpenFoodFacts
openfoodfacts/smooth-app
Look up food ingredients, allergens, nutrition facts.
OfficialFitness & healthAndroidiOSLotti
matthiasn/lotti
A private logbook with a staff of personal AI assistants.
Fitness & healthAndroidiOS
wger Workout Manager
wger-project/flutter
Fitness/workout, nutrition and weight tracker.
Fitness & healthAndroidiOS
RunnerUp
jonasoreland/runnerup
RunnerUp - an open source GPS tracker with advanced workout and audio cues.
Fitness & healthAndroid
What is AsteroidOS Sync?
AsteroidOS Sync is a free, open-source fitness and health app for Android. Synchronize with your AsteroidOS smartwatch. It has 116 GitHub stars and is released under the GPL-3.0-or-later license, and you can install it from F-Droid.
Is AsteroidOS Sync free and open source?
Yes. AsteroidOS Sync's source code is public on GitHub under the GPL-3.0-or-later license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.
How do I install AsteroidOS Sync?
You can install AsteroidOS Sync from F-Droid (package org.asteroidos.sync); the links are on this page. Its GitHub repository also publishes releases (latest: v0.29).
Is AsteroidOS Sync still maintained?
The repository's most recent commit was on Sep 17, 2026. Its F-Droid listing was last updated on Sep 19, 2023. appsgit only lists apps whose repository had a commit in the last six months.