Compare software

iCloud DriveProton Drive
Freemium

A small free tier is available. More storage requires a paid iCloud+ plan.

 Freemium

A free account is available, with paid plans for more storage and a separate business…

Windows, macOS, iOS, Web Android, iOS, Web
  • Invisible integration across macOS and iOS, including Desktop and Documents
  • Advanced Data Protection adds end-to-end encryption to most categories
  • End-to-end encryption that the provider cannot read
  • Automatic photo and video backup from mobile
  • Only 5 GB free, shared across backups, photos and mail
  • Poor experience outside Apple platforms
  • Requires a Proton account
  • Free tier storage is limited
Downloadable app, 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

Checked September 22, 2026

Checked September 23, 2026

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