Illustration by Samar Haddad / The Verge
Having to hand your iPhone over to someone can be a fairly common occurrence. Maybe your little nephew wants to play a game or your friend wants to check out the photos from your last vacation. Whatever the reason, no matter how much you trust that person, there are probably parts of your phone that you’d rather they didn’t see (even accidentally).
That’s where the new Face ID lock in iOS 18 comes in: you can now get your iPhone to ask for biometric authentication whenever a particular app is launched. (While we refer to Face ID throughout this article, if you’re on an older phone with Touch ID, you can use that instead.) This means your friend or family member can’t dive straight into your private chat conversations or your current…