How to Disable FaceTime in iOS
It only takes a couple of minutes to disable FaceTime on your iPhone or iPad. Once disabled, your iOS device cannot send or receive FaceTime calls, nor will the FaceTime app appear on the home screen.
How to Restrict FaceTime Access
Perhaps you need to hide the app from little prying eyes. By using either Screen Time in iOS 12 and later or the Restrictions settings in iOS 11 and earlier, you can hide the app securely.
Restrict FaceTime in iOS 12 and later
With the release of iOS 12, there are no longer Restriction settings. It’s now known as Screen Time, but works very much the same. Below is how to restrict FaceTime with Screen Time.
Restrict FaceTime in iOS 11 and earlier
How to Disable FaceTime on Mac
It never hurts to be security conscious. Luckily, disabling FaceTime on Mac is a breeze. It’s about the same as doing so on an iPhone.
Log Out of FaceTime on Mac
If you don’t want your family or roommates accessing FaceTime while using your Mac, you can just log out of your FaceTime account.