Opensignal is a free to use, advert free mobile connectivity and network signal speed test app. Speed test for mobile and Wifi internet Opensignal speed tests measure your mobile connectivity and signal strength. Opensignal runs a 5 second download test, 5 second upload test and a ping test to provide a consistently accurate measurement of the internet speed you will likely experience. The speed test runs on common internet CDN servers. The internet speed result is calculated with the middle range of samples. Video playback test Slow video load time? Video buffering? More time waiting than watching? Opensignal’s video test plays a 15 sec video snippet to test and log load time, buffering, and playback speed issues in real-time to show you exactly what to expect with HD and SD videos on your network. Connectivity and speed test coverage map Always know where to find the best coverage and fastest speeds with Opensignal’s network coverage map. The map show...