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.




Authy is described as 'Manage and secure two-factor authentication easily across Gmail, Dropbox, and more. Sync devices, secure backups, and enjoy offline access' and is a very popular Authenticator in the security & privacy category. There are more than 50 alternatives to Authy for a variety of platforms, including iPhone, Android, iPad, Android Tablet and Mac apps. The best Authy alternative is Bitwarden, which is both free and Open Source. Other great apps like Authy are Aegis Authenticator, Ente Auth, Proton Authenticator and 1Password.
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.




Open-source Android authenticator supporting TOTP and HOTP, material design UI, backup and restore via files, Google Drive, or Android backup, works offline, privacy-focused, no analytics or ads, suitable for securing logins on popular services.




A Password Manager for Android with Auto-Type over USB and Bluetooth, OTP and much more.
Authenticator Plus generates 2-step verification codes to protect your accounts with your password and phone / tablet.

TOTP Authenticator makes it simple and easy to enable 2-factor authentication on your accounts. The app provides option to backup data offline or on the cloud. Features like Push to Chrome, dark theme, custom icons and widgets make the app stand out.




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.

Etopa is a two-factor-authentication app, which runs as a web server and can be accessed using a web browser or using an Android app. You can use the Etopa.de instance or host your own.




Krypton implements the standardized FIDO Universal 2nd Factor (U2F) protocol to provide secure, un-phishable two-factor authentication on the web, using just your phone.




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




Stop account takeovers, protect your employees and applications, and eliminate passwords with DIGIPASS® FX7, a FIDO-enabled, phishing-resistant authenticator. DIGIPASS FX7 enhances security while simplifying the login process, enabling a ‘work from anywhere, anytime’ policy.



Local-first TOTP authenticator with AES-256-GCM encryption, Passkey migration guidance, and browser auto-fill. Never stores passwords.



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.




Backups data on user's cloud storage instead of their own.