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Tresorit vs Koofr: catalog facts
Tresorit	Koofr
Paid A paid subscription is required.	Freemium The first 10 GB are free; larger storage plans are paid.
Windows, macOS, Linux, Android, iOS, Web, Browser extension	Windows, macOS, Linux, Android, iOS, Web, Browser extension
Zero-knowledge encryption combined with enterprise access controls and logging Choice of data residency within Europe	EU-based storage with a no-tracking policy Connects other cloud accounts in one view
Expensive compared with mainstream storage, with no meaningful free tier Closed source	Free tier limited to 10 GB Requires an account on a hosted service
Downloadable app, Hosted service, Browser extension	Downloadable app, Web application, Hosted service, Browser extension
Closed 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 23, 2026

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