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

How to lock apps using the built-in app lock on your smartphone While Android currently doesn’t offer a native way to lock apps, several OEMs have baked an app lock feature into their custom skins.

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.

Thankfully, iOS 18 includes a dedicated option to lock and even hide individual apps even when the iPhone itself is already unlocked.

This detailed guide with screenshots covers how to lock and hide apps on iPhone in iOS 18 for improved security and privacy.

With Firefox's newest feature on Android, you can now lock your private tabs and ensure that your browsing remain private at all times.

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.