iOS provides developers with an API to lock apps with Face ID or Touch ID. However, not every app has this option, and there’s no way to completely hide apps from your device. Luckily, “App Lock” is a ...

The Android lock screen has evolved many times over the years. There have been various slide-to-unlock methods, and OEMs have always put their own spin on things. As it turns out, there are also a lot ...

To lock WhatsApp on Android, launch the app, tap the three-dot menu, navigate to Settings > Privacy > App Lock, and turn on "Unlock With Biometric." To lock WhatsApp ...