2FA apps like Google Authenticator, Authy, and LastPass, just to name a few, pretty much act like password managers except they only generate One-Time Passwords (OTPs) when you open the app.

Google Authenticator just got an update that should make it more useful for people who frequently use the service to sign in to apps and websites. As of today, Google Authenticator will now sync ...

Running Google Authenticator on your mobile device is an effective way to protect your online accounts and logins with two-factor authenticator codes. But in the past, those codes would appear ...

While Google Authenticator is immensely popular, one of the biggest critiques has been the inability to back up one-time 2FA codes and the lack of multi-device support.

Google isn’t the only firm offering 2FA sign-in codes to provide backups. Since 2019, Microsoft has allowed people to use a “backup and restore” tool for its Microsoft Authenticator app.

Google Authenticator now syncs one-time codes with your account, so you're not stuck if you lose your device.