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Microsoft AuthenticatorKeyVault OTP Authenticator
Free

Free app from Microsoft for Android and iOS.

 Freemium

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

Android, iOS Linux, iOS
  • Passwordless sign-in for Microsoft and work accounts
  • Commonly required by employers using Microsoft sign-in
  • Adds codes by QR scan or manual entry
  • Import and export for moving between devices
  • Mobile only, with no desktop app
  • Most useful inside the Microsoft account ecosystem
  • Proprietary and closed source
  • Customization features need the paid Pro tier
Downloadable app Downloadable app
Closed source Closed source
License not stated License: Proprietary
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 23, 2026

Checked October 1, 2026

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