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Duo mobile vs OTP Auth

A side-by-side look at Duo mobile and OTP Auth. For an in-depth review of either product, follow the links below.

Duo mobile

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
OTP Auth

OTP Auth

Security & Privacy

OTP Auth is a free and open source two-factor authentication app for Android and iOS. It generates timed one-time passwords for use in two-factor systems. It supports both HOTP and TOTP standards and can scan QR codes to easily set up accounts.

twofactor-authenticationopen-sourceqr-codehotptotp

Related Comparisons

2FA Authenticator (2FAS)
Tofu Authenticator
Authenticator Extension