Cost / License
- Free
- Proprietary
Platforms
- Android
- iPhone



Duo mobile is described as 'Duo Mobile works with Duo Security's two-factor authentication service to make logins more secure. The application generates passcodes for login and can receive push notifications for easy, one-tap authentication' and is a Authenticator in the security & privacy category. There are more than 25 alternatives to Duo mobile for a variety of platforms, including iPhone, Android, iPad, Android Tablet and Mac apps. The best Duo mobile alternative is Aegis Authenticator, which is both free and Open Source. Other great apps like Duo mobile are Proton Authenticator, 2FA Authenticator (2FAS), Authy and FreeOTP.



HENNGE OTP Generator is a virtual device application for multi-factor authentication (MFA), so-called two-step verification, which generates time-based one-time passwords (OTP).



Sentinel is an elegant OTP Authenticator app for both iOS and MacOS. It relies only on the Apple's iCloud Keychain to share data across devices.




Authenticator generates secure 2 step verification tokens on your device. It help’s you protect your accounts even more.




MFAuth is a free and secure application that offers 2-step verification for managing your online accounts and services, thus helping to protect your accounts from hackers.



Authman helps you manage your 2-step authentication tokens on iOS, Android and desktop, and securely sync them between devices.



MFAuth is a free, secure and completely offline application that offers 2-step verification for managing your online accounts and services, thus helping to protect your accounts from hackers.



Kerveros is a robust two-factor authentication code generator that combines ease of use with enterprise-grade security. It generates time-based one-time passwords (TOTP) for your online accounts while keeping your secrets encrypted and protected.

Blue2Factor is here to show that with all the technology we have at our fingertips, stricter authentication doesn't need to be more complex. It just needs to be smarter.
A simple application for multi-factor authentication, written in HTML using jQuery Mobile, jsSHA, LocalStorage and Application Cache. It implements the TOTP (Time-Based One-Time Password) algorithm according to RFC6238 and has been tested to work with Google Authenticator...
Token2 mobile application can be used with Token2 service, or any other TOTP and Mobile-OTP compliant service with additional features such as possibility of PIN code protection for TOTP profiles and QR code based enrollment for Mobile-OTP profiles.




Rublon protects workforce access to networks, servers and applications via easy-to-use multi-factor authentication. Enable MFA for cloud apps, VPNs, servers, workstations, internal as well as on-premise apps. Comply with data protection regulations.
