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Tresorit vs MEGA: catalog facts
Tresorit	MEGA
Paid A paid subscription is required.	Freemium A free tier with transfer quotas is available. Paid plans add storage and bandwidth.
Windows, macOS, Linux, Android, iOS, Web, Browser extension	Windows, macOS, Linux, Android, iOS, Web
Zero-knowledge encryption combined with enterprise access controls and logging Choice of data residency within Europe	End-to-end encryption by default across storage, chat and meetings One of the largest free storage tiers available
Expensive compared with mainstream storage, with no meaningful free tier Closed source	Transfer quotas apply on free and lower paid tiers Losing the recovery key means losing the data permanently
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.