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