Return to Answer

• How to use rsync over USB on Android with adb
• the rsync man page for further details on available parameters and possibilities
• How to rsync to android (in case you want to advance this to include your Linux machine ;)
  RSync is also available on other operating systems, see e.g. this list on Wikipedia
• there's another RSync app on Playstore: Acrosync – but it wasn't updated since 2013 and neither is it well rated (2.7 stars at 82 votes)
• Backup your Android phone with Rsync describes a similar approach as above, involving different resources
• How to automate command line when specific application is launched? (for on-demand syncing; not that e.g. tasker also allows to create widgets for tasks, which then can be "tapped on demand" to execute it)

• How to use rsync over USB on Android with adb
• the rsync man page for further details on available parameters and possibilities
• How to rsync to android (in case you want to advance this to include your Linux machine ;)
  RSync is also available on other operating systems, see e.g. this list on Wikipedia
• there's another RSync app on Playstore: Acrosync – but it wasn't updated since 2013 and neither is it well rated (2.7 stars at 82 votes)
• Backup your Android phone with Rsync describes a similar approach as above, involving different resources
• How to automate command line when specific application is launched? (for on-demand syncing; note that e.g. tasker also allows to create widgets for tasks, which then can be "tapped on demand" to execute it)

• How to use rsync over USB on Android with adb
• the rsync man page for further details on available parameters and possibilities
• How to rsync to android (in case you want to advance this to include your Linux machine ;)
• there's another RSync app on Playstore: Acrosync – but it wasn't updated since 2013 and neither is it well rated (2.7 stars at 82 votes)
• Backup your Android phone with Rsync describes a similar approach as above, involving different resources

• How to use rsync over USB on Android with adb
• the rsync man page for further details on available parameters and possibilities
• How to rsync to android (in case you want to advance this to include your Linux machine ;)
  RSync is also available on other operating systems, see e.g. this list on Wikipedia
• there's another RSync app on Playstore: Acrosync – but it wasn't updated since 2013 and neither is it well rated (2.7 stars at 82 votes)
• Backup your Android phone with Rsync describes a similar approach as above, involving different resources
• How to automate command line when specific application is launched? (for on-demand syncing; not that e.g. tasker also allows to create widgets for tasks, which then can be "tapped on demand" to execute it)

¹ _{Or course you can also try to find the original app on sites like APKMirror or ApkPure, or download the app from here – but then you had to first install that app, and afterwards grab the binary from it's data directory /data/data/eu.kowalczuk.rsync4android/files/rsync – which I find a bit inconvenient ;)}

¹ _{Of course you can also try to find the original app on sites like APKMirror or ApkPure, or download the app from here – but then you had to first install that app, and afterwards grab the binary from it's data directory /data/data/eu.kowalczuk.rsync4android/files/rsync – which I find a bit inconvenient ;)}