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2FA Authenticator (2FAS) vs Authenticator App

A side-by-side look at 2FA Authenticator (2FAS) and Authenticator App. For an in-depth review of either product, follow the links below.

2FA Authenticator (2FAS)

2FA Authenticator (2FAS)

Security & Privacy

2FA Authenticator (2FAS) is a free, open-source two-factor authentication app for mobile devices. It enables users to easily set up two-factor authentication for added account security, with support for OTP, TOTP, and HOTP standards.

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Authenticator App

Authenticator App

Security & Privacy

An authenticator app is a software program used to generate one-time passcodes for two-factor authentication logins. It enhances account security by requiring the user to provide both their password as well as a randomly generated code from the authenticator app.

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