Compare software

Proton DriveTeraBox
Freemium

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

 Freemium

Free tier with up to 1 TB of storage.

Android, iOS, Web Windows, macOS, Android, iOS, Web
  • End-to-end encryption that the provider cannot read
  • Automatic photo and video backup from mobile
  • Up to 1 TB of free storage
  • Apps for Windows, macOS, iOS and Android
  • Requires a Proton account
  • Free tier storage is limited
  • Proprietary hosted service; your files live on its servers
  • Requires an account
Downloadable app, 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

Checked September 23, 2026

Checked September 24, 2026

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