WiFi Router Warden - WiFi Analyzer & WiFi Blocker is a free and powerful app for Android devices. It can help you to find out who is using your Wi-Fi network and the devices connected to it, block unwanted users, and protect your Wi-Fi network.

With the help of this app, you can detect the presence of other devices on your network. You can also check the signal strength of the connected devices and find out which one is the best for you.

It can also be used to find the default passwords of your Wi-Fi router.