Compare software

AuthmeYubico Authenticator
Free

Free and open source under the GPL-3.0 licence.

 Free

The app is free; it requires a YubiKey, which is bought separately.

Windows Windows, macOS, Linux, Android, iOS
  • TOTP code generation on the desktop
  • Imports Google Authenticator QR codes
  • Secrets stay on the hardware key rather than the device
  • Same codes available on any machine where the key is plugged in
  • Keeping 2FA codes on the same computer as passwords reduces separation of factors
  • Requires a YubiKey
  • Losing the key loses access to the stored codes unless you have a backup
Downloadable app Downloadable app
Open source Closed source
License: GPL-3.0 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 24, 2026

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