Google Authenticator has been around for over a decade, is free, and will work with virtually every service that supports TOTPs. The app is as streamlined as it gets. There are no bloated menus, and ...

All you have to do is scan a QR code for the service you want to turn 2FA on for, and the app will generate a new log-in code around every 30 seconds.

This usually generates a QR code, which you can then scan using the Microsoft Authenticator app. Now that you have your accounts set up, you'll be prompted to enter a six-digit code the next time ...

Authenticator apps typically work by generating time-based one-time passwords (TOTPs), which are unique codes that refresh every 30 seconds.

This is the app you might have gravitated towards for your Google account—because it’s made by Google—but this is actually one of the more basic authenticator apps out there. Adding accounts ...

On your new phone's Authenticator app, tap Scan QR code. After you scan your QR codes, you get a confirmation that your Google Authenticator accounts were transferred. You can remove your exported ...

Bitwarden has developed a standalone authenticator app. Until now, time-based one-time passwords were only available as an additional function for subscribers.