When you want to respond to messages or calls from Messenger, tap on the notification, and App Lock will ask for your fingerprint or Face ID.

Facebook says that App Lock will use your device's security settings, so whatever you use to unlock your phone is what you'll use to unlock your Messenger app.

If you want to keep certain apps out of the reach of other people, you can lock or hide those apps on your Android phone. I’ll show you how to use your phone’s built-in features as well as ...

How to lock apps on Google Pixel phones or other devices running Android 15 After years of user requests, Google finally decided to add app lock as a native feature to Android 15.

The company has pushed out an update to Messenger called App Lock that adds an extra layer of protection. Simply put, it engages the biometric security settings of your phone to open the app.