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SyncUp

SyncUp is a free, open-source file manager for Android and iOS. An open-source Syncthing client for iPhone and Android. It has 243 GitHub stars and is released under the MPL-2.0 license, and you can install it from F-Droid and the App Store.

github.com/sidtech-solutions/syncup (opens in a new tab)

Data as of from the GitHub API and the F-Droid index; description from the project's repository or F-Droid listing. Report an error

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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

  • SyncUp screenshot 1
  • SyncUp screenshot 2
  • SyncUp screenshot 3

Screenshots from the app's F-Droid listing.

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FAQ

SyncUp FAQ

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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 27, 2026. Its F-Droid listing was last updated on Oct 14, 2026. appsgit only lists apps whose repository had a commit in the last six months.