Wifi Analyzer – tool for your wifi network.

The interference from other routers in the vicinity is a common source of connectivity problems, especially in densely populated areas (apartment, congested buildings, conference halls and shopping centers). To fix this problem you need a tool to see where you can set your wifi channel.
You can use this android application.
As you can see, this application shows us the overload level of channels WiFi.
It also comes with other options that you’ll find yourself