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KeyVault OTP Authenticator2FAS
Freemium

Free to use, with a paid Pro upgrade for themes, icons and advanced organization.

 Free

Free and open source. Some components are source-available.

Linux, iOS Android, iOS, Browser extension
  • Adds codes by QR scan or manual entry
  • Import and export for moving between devices
  • Browser extension approves codes on the phone instead of typing them
  • Encrypted backups to your own iCloud or Google Drive account
  • Proprietary and closed source
  • Customization features need the paid Pro tier
  • Mobile-first; there is no standalone desktop app
  • Push approval needs the browser extension installed on each machine
Downloadable app Downloadable app, Browser extension
Closed source Open source
License: Proprietary License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked September 22, 2026

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