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SushitrainSyncthing
Free

Open source under the MPL-2.0 licence and distributed through the App Store.

 Free

Free software; the Syncthing Foundation is funded by donations. There is no storage cost…

macOS, iOS Windows, macOS, Linux, Command line, Self-hosted
  • Selective sync of individual files and subfolders
  • On-demand access to files on other devices without a VPN
  • No central server: none of your data is stored anywhere except on your own computers
  • All traffic is TLS encrypted with perfect forward secrecy, and every device is authenticated by certificate
  • Background sync is limited by what iOS allows
  • Apple platforms only
  • The official Android app was archived in December 2024; Android users rely on a community fork
  • Both devices must be online at the same time for changes to move
Downloadable app Downloadable app, Self-hosted
Open source Open source
License: MPL-2.0 License: MPL-2.0
No account needed No account needed
Not stated if it works offline Works offline

Checked October 1, 2026

Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.