andOTP vs Duo mobile
A side-by-side look at andOTP and Duo mobile. For an in-depth review of either product, follow the links below.
andOTP
Security & Privacy
andOTP is a free and open-source two-factor authentication app for Android. It allows users to generate one-time passwords for added login security. It supports both time-based and counter-based algorithms and can import/export encrypted backups.
opensourceandroidonetime-password2fatotphotpencryptionbackup
Duo mobile
Security & Privacy
Duo Mobile is a user-friendly two-factor authentication app that provides an extra layer of security when logging into accounts. It works by generating one-time codes on the user's smartphone that they enter along with their password when accessing important services.
twofactor-authenticationmobile-authenticationlogin-security
Related Comparisons
WinAuth
Raivo Authenticator
FreeOTP+ (fork of FreeOTP)
GNOME Authenticator
Authenticator Extension
Toopher