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Filen vs Tresorit: catalog facts
Filen	Tresorit
Freemium A free tier is available. More storage requires a paid plan or a lifetime purchase.	Paid A paid subscription is required.
Windows, macOS, Linux, Android, iOS, Web	Windows, macOS, Linux, Android, iOS, Web, Browser extension
Client applications are open source and the encryption is zero-knowledge Data stored in Germany under EU data protection rules	Zero-knowledge encryption combined with enterprise access controls and logging Choice of data residency within Europe
Smaller and newer than the established providers Some clients still carry rough edges	Expensive compared with mainstream storage, with no meaningful free tier Closed source
Downloadable app, Hosted service	Downloadable app, Hosted service, Browser extension
Open source	Closed source
License not stated	License not stated
Account needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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