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Zoho OneAuth2FAS
Free

Free authenticator app.

 Free

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

Windows, Android, iOS Android, iOS, Browser extension
  • Time-based one-time codes for third-party accounts
  • Passwordless and QR code sign-in for Zoho accounts
  • Browser extension approves codes on the phone instead of typing them
  • Encrypted backups to your own iCloud or Google Drive account
  • Many features apply only to Zoho accounts
  • Closed source
  • 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 not stated 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 2, 2026

Checked September 22, 2026

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