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Proton Drive vs Google One: catalog facts
Proton Drive	Google One
Freemium A free account is available, with paid plans for more storage and a separate business…	Freemium 15 GB is included free with a Google Account; larger plans are paid monthly subscriptions.
Android, iOS, Web	Android, iOS, Web
End-to-end encryption that the provider cannot read Automatic photo and video backup from mobile	Storage tiers from 400 GB to 20 TB and more Shareable plans
Requires a Proton account Free tier storage is limited	Requires a Google Account and stores data on Google's servers Higher tiers bundle AI features you may not want
Downloadable app, Web application, Hosted service	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 23, 2026	Official website Full listing and sources Checked September 24, 2026

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