AppLock is a free Android application developed by SusungLab in the Utilities & Tools category. It is designed to protect users' privacy and mobile phone security by locking applications such as photos, SMS, contacts, email, and any other app of the user's choice. With AppLock, users can prevent unauthorized access to their apps and guard their privacy.

One of the key features of AppLock is its ability to password-protect apps, ensuring that only the user can launch them. This app also provides security management for apps and blocks intruders to protect personal information and safety. Users can lock videos and secret videos to protect their privacy, lock incoming and outgoing calls, and even lock the status bar in Home Screen Locker.

AppLock is an easy-to-use and user-friendly app that provides a GUI that is accessible to everyone. With AppLock, users can protect their privacy and private apps, and never worry about privacy leakage or private data being stolen. Overall, AppLock is a great choice for anyone looking for an app that provides privacy protection and mobile phone security.