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Tresorit vs Sync.com: catalog facts
Tresorit	Sync.com
Paid A paid subscription is required.	Freemium A small free tier is available. More storage requires a paid plan.
Windows, macOS, Linux, Android, iOS, Web, Browser extension	Windows, macOS, Android, iOS, Web
Zero-knowledge encryption combined with enterprise access controls and logging Choice of data residency within Europe	Zero-knowledge encryption applies to everything by default, not as an add-on Sharing links with passwords, expiry and download limits
Expensive compared with mainstream storage, with no meaningful free tier Closed source	No Linux client Zero-knowledge means a forgotten password can mean permanent data loss
Downloadable app, Hosted service, Browser extension	Downloadable app, Hosted service
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 22, 2026

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