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.

You are, we hope, already protecting your phone with a PIN, a fingerprint, or a face (or all three), but sometimes you'll want to add an extra barrier to particular apps—if you're lending your phone ...

Apple has improved iPhone security and privacy with iOS 18. One of the valuable new features is the ability to require Face ID for individual apps as well as putting them in a hidden folder. Read ...

Android secures your device by asking you for a PIN, pattern, or full password. What happens if you forget the security method you set up? If you're lucky, you can get back in easily—but that may not ...

Aside from lock screen and biometrics security, Xiaomi and Redmi smartphones also have a dedicated feature for locking apps. The feature is called app lock. Enabling app lock is recommended to prevent ...

You can’t really go too far when it comes to phone security, considering everything of importance we put on these compact devices—from bank account apps to our most intimate conversations—and while ...

Zach was an Author at Android Police from January 2022 to June 2025. He specialized in Chromebooks, Android smartphones, Android apps, smart home devices, and Android services. Zach loves unique and ...

In iOS 17, Apple doesn't offer a system-level method for individually locking sensitive apps like Photos behind Face ID. There is a Shortcut action that provides rudimentary protection, but it's not ...