With a simple glance, Face ID securely unlocks your iPhone or iPad Pro. You can use it to authorize purchases from the iTunes Store, App Store, and Book Store, payments with Apple Pay, and more. Developers can also allow you to use Face ID to sign into their apps.

Can someone else unlock your phone with Face ID?

If you use facial recognition on your smartphone, the face of someone else – a sibling or someone like you – could also “unlock” it.

Will Face ID unlock with a picture?

The face-unlock feature on nearly half of late-model Android phones can still be fooled by photographs, a Dutch study has found. Many people know that Apple's Face ID system is more secure than the default Android facial recognition program. For example, Face ID can't be fooled by a photograph.