Comprehensive file sync solution featuring individual sync settings per device and folder, Android-optimized interface, efficient battery-saving options, two-way SD card sync on Android 11+, and robust encrypted folder support for security.



Apps similar to Synctrain include Syncthing-Fork, which is free and open source. Other options are BasicSync, SyncUp (Syncthing), DeltaSync and Syncthing Lite. In total there are five File Sync Tools like Synctrain for Android, iPhone and Mac.
Comprehensive file sync solution featuring individual sync settings per device and folder, Android-optimized interface, efficient battery-saving options, two-way SD card sync on Android 11+, and robust encrypted folder support for security.



Syncthing's official Android client was archived in December 2024. No single client ran on both phones from one codebase, so I built this. The daemon runs in-process via gomobile, with a React Native UI scaffolded from react-native-go.



