Who Steals My WiFi? is a free Android app developed by FitApps Pro that helps users to secure their WiFi network. This app allows users to see all the devices that are connected to their WiFi network and provides details about each device, such as name, manufacturer, IP and MAC address. The app also gives information about the network, such as speed, Wi-Fi signal strength, router name and MAC. With a clean and easy-to-use interface, users can easily learn how to block any unauthorized device that is using their WiFi without their permission. This app is compatible with Android 4.4 and is a great tool for anyone concerned about their WiFi security.