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CryptomatorSeekPrivacy
Freemium

The desktop apps are free and open source. The Android and iOS apps are paid, and…

 Free

Free and open source under the GPL-3.0.

Windows, macOS, Linux, Android, iOS Android
  • Works with cloud storage you already have rather than replacing it
  • Encrypts file names as well as file contents with AES and a 256-bit key
  • Encrypted storage isolated from other apps and the OS
  • Lets you keep granting storage access to other apps without exposing private files
  • Mobile apps are separate paid purchases, unlike the free desktop apps
  • A vault behaves like a virtual drive, so some apps that assume local files behave oddly
  • Young project with a small community
  • Little documentation beyond the repository
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0 License: GPL-3.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 20, 2026

Checked October 2, 2026

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