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Syncthing vs Möbius Sync: catalog facts
Syncthing	Möbius Sync
Free Free software; the Syncthing Foundation is funded by donations. There is no storage cost…	Freemium Distributed through the App Store; check the store listing for current pricing.
Windows, macOS, Linux, Command line, Self-hosted	iOS
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	Brings Syncthing sync to iPhone and iPad Works with Syncthing on Windows, macOS, Linux and Android
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	iOS only Third-party app, not part of the official Syncthing project
Downloadable app, Self-hosted	Downloadable app
Open source	Closed source
License: MPL-2.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 23, 2026

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