Apps similar to Sentinel Authenticator 2FA include Aegis Authenticator, which is free and open source. Other options are Proton Authenticator, Bitwarden Authenticator, 2FA Authenticator (2FAS) and Authy. You're spoiled for choice with Authenticators like Sentinel Authenticator 2FA: we list more than 50 alternatives for Android, iPhone, iPad, Mac and Windows.
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.
United States
Authman helps you manage your 2-step authentication tokens on iOS, Android and desktop, and securely sync them between devices.
United States
Two-factor authentication app for Yandex accounts and also other QR-code based temporary codes for two-factor authentication
Russia
Effortlessly share 2FA SMS with your team. This number works with all services, from WhatsApp to ChatGPT, and connects to numerous tools through Zapier or our webhook integration.
CryptoPhoto gives you a fast and safe way to log into your favorite participating web sites while enjoying leading-edge protection against phishing, malware attacks, and scamming.
Australia
Secure your Zoho Account with easy-to-use, multi-factor authentication. Because hackers won't give you a second chance.
India
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.
Germany
EU
Daito is a web-based 2FA authenticator for TOTP tokens. It enables you to share 2FA tokens with others to simply protecting shared accounts. No phone needed.
Hermes offers a straightforward solution for overseeing two-factor authentication accounts (SHA1), providing support for a wide range of platforms, including Gmail, Dropbox, and thousands of other websites.
Authenticator is a simple, free, and open source two-factor authentication app. It helps keep your online accounts secure by generating unique one-time passwords, which you use in combination with your other passwords to log into supporting websites.
Authenticator Plus generates 2-step verification codes to protect your accounts with your password and phone / tablet.
