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2ndNumber vs OTP Auth

A side-by-side look at 2ndNumber and OTP Auth. For an in-depth review of either product, follow the links below.

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
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

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