Cost / License
- Paid
- Open Source
Platforms
- Mac
- Windows
- Linux
- Android

2FA Authenticator (2FAS) is described as '2FAS Authenticator is a simple and free application for Two Factor Authentication (2FA Authentication) which generates Time-based One-time Passwords (TOTP) and PUSH authentication*' and is a Authenticator in the security & privacy category. There are more than 50 alternatives to 2FA Authenticator (2FAS) for a variety of platforms, including Android, iPhone, iPad, Android Tablet and Mac apps. The best 2FA Authenticator (2FAS) alternative is Aegis Authenticator, which is both free and Open Source. Other great apps like 2FA Authenticator (2FAS) are Proton Authenticator, Ente Auth, Bitwarden Authenticator and Authy.

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.




SAASPASS is an Authenticator, Password Manager and a repository for Secure notes. It also secures access to computers such as Macs and Win with two-factor authentication. It can be used for personal use and/or by a company to secure their cloud apps.




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.




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.




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




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.





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.




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.




Invantive Authenticator is a two-step verification solution for use with TOTP-protected websites and products such as Exact Online. Made in Holland by a partner of Exact, awarded accountancy app partner of the year 2017.



