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.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Mac
- iPhone
- iPad
- Apple Watch




Apps similar to Microsoft Authenticator include Bitwarden, which is open source with a free version. Other options are Aegis Authenticator, Proton Authenticator, Ente Auth and Bitwarden Authenticator. Authenticators like Microsoft Authenticator are a crowded field, with more than 50 alternatives for Android, iPhone, iPad, Mac and Windows.
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.




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.




Mauth (pronounced Moth) is a Two-Factor Authentication app with support for TOTP and HOTP (coming soon) and compatibility with Google Authenticator.



2fast (acronym for two factor authenticator supporting TOTP) is the first free, open source, two factor authenticator for Windows and Android with the ability to store the sensitive data encrypted at a place of your choice instead of a 3rd party cloud location.


Two-factor authentication app for Yandex accounts and also other QR-code based temporary codes for two-factor authentication



Secure your online accounts with Open Authenticator : a free, open-source and lovely-crafted TOTP (Time-Based One-Time Password) manager.




Authenticator Plus generates 2-step verification codes to protect your accounts with your password and phone / tablet.

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




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.
Calculates time- and counter-based one-time passwords on iOS devices, supports QR code import, iPad interface, Notification Center widget, encrypted iCloud sync, Safari extension, Touch ID and password protection, no ads, and does not collect personal data.







2FAuth is a web based self-hosted alternative to One Time Passcode (OTP) generators like Google Authenticator, designed for both mobile and desktop.
