Skip to content

Open Authenticator vs U2F Zero

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

Open Authenticator

Open Authenticator

Security & Privacy

Open Authenticator is a free and open source two-factor authentication app for Android and iOS. It allows users to generate time-based one-time passwords compatible with Google Authenticator and similar apps for two-factor authentication. It provides an easy way to improve the security of your online accounts.

open-sourcetimebased-onetime-passwordscompatible-with-google-authenticatortwofactor-authenticationandroidios
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