3G/4G/WiFi Maps & Speedtest (OpenSignal)
This is really cool app that will help you to find best network as well as WiFi signal. Unlike other apps, OpenSignal show compass points pointing to the direction of strong network through its network map. Its Speedtest feature allow you to test true speed of your connection while NetworkRank feature rank available signals according to their potential.
Download 3G/4G/WiFi Maps & Speedtest App