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Proton Drive vs PrivateStorage: catalog facts
Proton Drive	PrivateStorage
Freemium A free account is available, with paid plans for more storage and a separate business…	Paid Users pay for storage space and the time files remain stored.
Android, iOS, Web	Web
End-to-end encryption that the provider cannot read Automatic photo and video backup from mobile	Files are encrypted locally before transfer No user account is required
Requires a Proton account Free tier storage is limited	Storage is paid for using storage-time
Downloadable app, Web application, Hosted service	Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 8, 2026

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