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Duo MobileZoho OneAuth
Free

The app is free. The Duo service behind it is a paid product for organisations.

 Free

Free authenticator app.

Android, iOS Windows, Android, iOS
  • Verified Push defeats the push-fatigue attacks that plague plain approvals
  • Also works as an ordinary TOTP authenticator for other accounts
  • Time-based one-time codes for third-party accounts
  • Passwordless and QR code sign-in for Zoho accounts
  • Built around a Duo deployment that an organisation pays for
  • Closed source
  • Many features apply only to Zoho accounts
  • Closed source
Downloadable app Downloadable app
Closed source Closed 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 September 22, 2026

Checked October 2, 2026

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