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.
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Synctrain AlternativesFile Sync Tools and other similar apps like Synctrain
Synctrain is described as 'With Synctrain you can securely synchronize files with other devices that have Syncthing installed. You can choose to synchronize full folders, or choose specific files. With Synctrain you can also stream audio and video files from other devices' and is a File Sync tool in the backup & sync category. There are 2 alternatives to Synctrain for Android, Android Tablet and F-Droid. The best Synctrain alternative is Syncthing-Fork, which is both free and Open Source.
Alternatives list
This is a client-oriented implementation, designed to work online by downloading and uploading files from an active device on the network (instead of synchronizing a local copy of the entire repository).
