If you’d like to optimise your Wi-Fi signal by being able to quickly analyse Wi-Fi networks directly from your Android device, measure signal strength and identify crowded channels, Wi-Fi Analyzer may be the app for you.

This open-source, free app, which has no-adverts and claims not to collect any personal information, uses as few permissions as possible to perform the analysis and does not require access to the Internet.

WiFiAnalyzer is available from the Google Play store.