Sentinel Authenticator 2FA is described as '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' and is a Authenticator in the security & privacy category. There are more than 50 alternatives to Sentinel Authenticator 2FA for a variety of platforms, including Android, iPhone, Android Tablet, iPad and Linux apps. The best Sentinel Authenticator 2FA alternative is Aegis Authenticator, which is both free and Open Source. Other great apps like Sentinel Authenticator 2FA are Proton Authenticator, Bitwarden Authenticator, 2FA Authenticator (2FAS) and Authy.
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...
Infomaniak Auth is a free mobile application that improves and simplifies the security of Infomaniak accounts protected by two-factor authentication.
Switzerland