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OnlyKey vs OTP Auth

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

OnlyKey

OnlyKey

Security & Privacy

OnlyKey is a physical security key that can replace passwords and two-factor authentication tokens. It encrypts and stores passwords, generates one-time passcodes, supports FIDO U2F authentication, and integrates with various password managers.

hardware-authenticationpassword-managerencryptionfido-u2f
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

Related Comparisons

2FA Authenticator (2FAS)
Tofu Authenticator
Invantive Authenticator
Authomator