I prefer the option to use an authenticator app rather than receiving codes via text message whenever possible, and so should you. The reason is simple logistics.

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.

Transfer Confirmation: Once all QR codes have been scanned, the Google Authenticator app on your new phone will display a confirmation message, indicating the successful transfer of your accounts.

Once enabled, an authenticator app can be used to scan the QR code displayed, which confirms the device and enables TOTP.

When setting up an account that supports Google Authenticator, you can scan the QR code with LastPass Authenticator instead to store your tokens in the app. Naturally, you can also secure your ...

SMS codes carry vulnerabilities, and authenticator apps provide stronger security in many scenarios. Here are scenarios where installing an authenticator app on your Android phone proves essential.

After you've chosen which accounts to export (you can export up to 10 accounts at a time), the Authenticator app will generate a QR code.

Google Authenticator can now sync single-use two-factor authentication codes to Google Accounts, for added convenience.

Google Authenticator app lets other apps take screenshots of its code. Issue was first reported to Google in October 2014, but it was never addressed.

While authenticator apps are vastly more secure than text messages for getting your security codes, the safest login method no longer relies on codes—or even passwords—at all.