In iOS 18, it's now possible to lock apps so that they require Face ID to open. You can even hide locked apps, too. Here's how it works.

How to Lock and Unlock Apps Using a Built-In Android Feature Many Android smartphones offer a built-in feature to lock applications.

With iOS 18, Apple now offers the ability to lock and hide certain apps on your device. Whenever you want to access the app, you have to input a passcode or biometric authentication to open it.

How to unlock your Chromebook with your Android phone Now that Smart Lock is set up, let's look at how to use the feature.

How to lock an iPad One and done You can lock any iPad at any time by pressing the top (Sleep/Wake) button. You'll have to unlock it again if you've set up a passcode, Touch ID, and/or Face ID.