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Proton Drive vs iCloud Photos: catalog facts
Proton Drive	iCloud Photos
Freemium A free account is available, with paid plans for more storage and a separate business…	Freemium Uses the storage in the user's iCloud plan.
Android, iOS, Web	macOS, iOS, Web
End-to-end encryption that the provider cannot read Automatic photo and video backup from mobile	Syncs automatically across Apple devices Web access for viewing and sharing
Requires a Proton account Free tier storage is limited	Tied to an Apple account Closed source cloud service
Downloadable app, Web application, Hosted service	Web application, 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 23, 2026	Official website Full listing and sources Checked September 23, 2026

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