SyncUp
SyncUp is a free, open-source file manager for Android and iOS. An open-source Syncthing client for iPhone and Android. It has 228 GitHub stars and is released under the MPL-2.0 license, and you can install it from F-Droid and the App Store.
- Android
- iOS
- React Native
- File managers & sync
- Actively maintained
About SyncUp
An open-source Syncthing client for iPhone and Android, powered by the Syncthing daemon via gomobile. Syncthing's official Android client was archived in December 2024. No single client ran on both phones from one codebase, so this one was built. The daemon runs in-process via gomobile, with a React Native UI scaffolded from react-native-go. Differences from other clients: Daemon runs in-process on Android. The Go daemon lives inside the app via gomobile. There is no subprocess to manage, no IPC between a background service and the UI, and no service-restart handling. Auto-accept folders from trusted peers.
Privacy and F-Droid
F-Droid builds SyncUp 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.
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What is SyncUp?
SyncUp is a free, open-source file manager for Android and iOS. An open-source Syncthing client for iPhone and Android. It has 228 GitHub stars and is released under the MPL-2.0 license, and you can install it from F-Droid and the App Store.
Is SyncUp free and open source?
Yes. SyncUp's source code is public on GitHub under the MPL-2.0 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 SyncUp?
You can install SyncUp from F-Droid (package com.siddarthkay.syncup) and from the App Store; the links are on this page. Its GitHub repository also publishes releases (latest: v1.1.16).
Is SyncUp still maintained?
The repository's most recent commit was on Oct 3, 2026. Its F-Droid listing was last updated on Jun 27, 2026. appsgit only lists apps whose repository had a commit in the last six months.