The app will actually tell you which Wi-Fi channels are better for your Wi-Fi network, so you can go straight to your router’s web interface and choose the ideal one. The app will display a list of Wi-Fi channels and a star rating - the one with the most stars in the best. Tap the View menu and select Channel rating.

You’ll see an overview of the wireless networks in your area and which channels they’re using. Just install the free app from Google Play and launch it. If you want to search for Wi-Fi channels on your phone instead of your PC, the easiest-to-use application we’ve found is Wifi Analyzer on Android. RELATED: How To Get a Better Wireless Signal and Reduce Wireless Network Interference In the screenshot below, channel 1 looks the least congested. Read the output of the command to see which channels are the most congested and make your decision. Open a Terminal and run the following command:

The command here is installed by default on Ubuntu and other popular Linux distributions, so it’s the fastest method. Instead, you might as well just use the terminal. You could use a graphical app like Wifi Radar for this on Linux, but you’d have to install it first. WiFi Analyzer can help you to identify Wi-Fi problems, find the best channel or the best place for your router/access-point by turning your PC/laptop.

Wifi channels scanner