AppLock : Lock App & Pin Lock is a free app for mobile devices that enables users to add additional security measures to their devices. The app comes with several features, including a number of features that are specific to certain popular applications. The app can lock individual applications, photos, contacts, and more.

Among the apps that AppLock can work with directly are WhatsApp and Telegram. It also enables the user to choose from a variety of lock screens. Though the app is free, it is supported by ads and contains in-app purchases.

Secure mobile devices

AppLock : Lock App & Pin Lock gives users the ability to lock any app on their mobile devices individually. This can be used to keep a device open while locking certain things away or just to add an additional layer of security to the device. It can also be used to keep photo galleries safe from prying eyes.

A selection of lock screens

When securing an app, the user can choose from a selection of lock screen options that they will have to go through when unlocking a given app. The options include PIN locks, fingerprints, lock patterns, and more. The app also features a number of visual themes for customizing the way the app looks and better matching the device.

A useful security app

AppLock : Lock App & Pin Lock is a useful security addition that can help to secure mobile devices. It should be mentioned that some users have noted that the app requests information it doesn't need, such as the user's place of birth, which is not ideal in a security application.