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Google Authenticator vs U2F Zero

A side-by-side look at Google Authenticator and U2F Zero. For an in-depth review of either product, follow the links below.

Google Authenticator

Google Authenticator

Security & Privacy

Google Authenticator is a multi-factor authentication mobile app that generates timed codes for user verification. It helps protect user accounts by requiring both a password and a randomly generated 6-digit code that refreshes every 30 seconds.

multifactor-authenticationmobile-apptimed-codesaccount-security
U2F Zero

U2F Zero

Security & Privacy

U2F Zero is an open-source USB security key that supports the Universal 2nd Factor (U2F) authentication standard. It is designed to be small, inexpensive, and easy for users to carry for strengthening logins to websites.

u2fauthenticationopen-sourcehardware-token