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2FA Authenticator (2FAS) vs 2ndNumber

A side-by-side look at 2FA Authenticator (2FAS) and 2ndNumber. 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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2ndNumber

2ndNumber

Social & Communications

2ndNumber is a second phone number app that provides users an additional phone number to keep their personal number private and control how they are contacted. It helps manage communication and productivity.

second-phone-numberprivacyanonymitycommunicationproductivity