Microsoft Authenticator is a two-factor authentication app from the software giant. However, unlike other similar apps like Authy and Google Authenticator, it isn't limited to generating time ...

Used principally for signing into Microsoft accounts with two-step verification enabled, the Microsoft Authenticator for iOS gained an Apple Watch companion app in 2018.

The latest is Microsoft, which is pulling its Authenticator app from the Apple Watch in January. Microsoft announced the change in an Authenticator support document.