Sources: iOS 18 will let users lock built-in iPhone apps behind Face ID, and it is likely that the feature will also work with Touch ID or an iPhone's passcode (Joe Rossignol/MacRumors)
Joe Rossignol / MacRumors:
Sources: iOS 18 will let users lock built-in iPhone apps behind Face ID, and it is likely that the feature will also work with Touch ID or an iPhone’s passcode — iOS 18 will offer a new security feature that allows users to lock individual apps, according to multiple sources familiar with the matter.