Two-factor authentication, or 2FA, requires an additional login code to log into your account. Account hacks have become normal these days, so you need to be very careful by using two-factor authentication and keeping your passwords strong.
If the hacker tries to steal your password and username, it will still be hard to get your account, as it will ask for an authentication code that comes on your smartphone if you use Two-Factor Authenticator apps, when you use 2FA, any service you login to will ask you for two authentications: the password you know and the authentication code in the app.
There are fewer options for Using Two-factor authenticator apps on smartphones than on websites. Here are some of the Two-Factor Authenticator Apps for Android devices.
1. Authy
The authy two-factor authenticator app works similarly to Google’s and Microsoft’s variants. The codes are used to authenticate your login, and the app provides the codes. The app also supports offline device syncing, and it supports many sites and accounts. One of the best things is free, without ads or in-app purchases.
Price: Free
2. Google Authenticator
It is one of Google’s most popular two-factor authenticator apps. For all Google accounts, the Google Authenticator app is recommended. Apart from Google accounts, it also works for many other websites.
It supports Wear OS, has a dark theme, and works offline. The app’s User Interface is clean and easy to use, and many devices support it. However, it can be a bit difficult to set up.
Price: Free
3. Microsoft Authenticator
The Microsoft Authenticator app works very well, even for apps other than Microsoft apps. When you log in to any app or site, it will ask for a code, and this app gives you a code. If you use Google Services more, it is better to use Google Authenticator.
The same is true for Microsoft users. If you use Microsoft more, then use this app. It is free, and there are no in-app purchases or ads.
Price: Free
4. TOTP Authenticator
The TOTP Authenticator app is compatible with many devices and is both basic and powerful. It has a dark theme mode, fingerprint scanner, Widgets, and cross-platform support via an Extension for iOS and Google Chrome. When you make changes, you can view them on all your devices via cloud syncing. This app is free but has in-app purchases.
Price: Free / $5.99
5. 2FA Authenticator
2FA Authenticator is a simple and free app for 2FA. It generates Time-based One-time Passwords (TOTP) and Push authentication. This app supports only the six-digit TOTP factor. It works very well with a basic UI, and you can also add your secret key manually or use the QR code. Although the app does not contain many features, it works great without any issues.
Price: Free
6. andOTP
andOTP is a free, open-source, two-factor authenticator app that supports the TOTP protocol. It requires scanning a QR code and logging in with a 6-digit code. Most users chose this app because it is not complicated to use.
It requires minimal permissions like Camera access for QR code scanning and Storage access to import and export the database. It has theme modes like Light, Dark, and Black (for OLED screens).
Price: Free
7. Aegis Authenticator
One of the most popular 2FA apps is Aegis Authenticator. This app supports two algorithms: HOTP and TOTP. These algorithms are widely supported and make the app compatible with many services.
The web service that supports Google Authenticator will work with Aegis Authenticator. It has great features, such as locking and unlocking the app via PIN, password, or Fingerprint. You can also back up your account and export it to a new device.
Price: Free
8. FreeOTP Authenticator
FreeOTP is a free, open-source authenticator app that works with many online services you already use, such as Google, Facebook, GitHub, and more. It also works with private corporate security if they complete the standardized TOTP or HOTP protocols.
It is a cheap solution for small businesses. Although it is not the most popular option for authenticator apps, it works well.
Price: Free
