A free app for Android, by Selairus International.

WiFi Thief Detection is the best tool to detect if someone is using your Wi-Fi without your permission. It can detect all the devices connected to your network, including tablets, smartphones, and even laptops. It works on all Wi-Fi connections, including ones that are secure and encrypted. It is an extremely easy-to-use tool, with a simple interface that is easy to understand. It has a powerful scanning engine that can quickly scan all the devices connected to your network and detect the devices and users using it. It will show you all the devices connected to your network, including the device name, MAC address, and IP address. It can also detect the connection status, the Wi-Fi signal strength, the number of users, and the device type.

How can I use this tool?

You can download the app on your phone and start using it. The app is extremely easy to use. All you have to do is start the app, and it will start scanning your Wi-Fi network. It will show you all the devices connected to your network and the connection status, the Wi-Fi signal strength, the number of users, and the device type.