OpenSignal
OpenSignal - Speed Test & 3G/4G/Wifi Coverage maps
FreeDetailed Review of OpenSignal Connectivity App
iOS
WeatherSignal - The Barometer for iPhone
FreeWeatherSignal is a project to improve weather forecasting through a crowdsourced network of mobile phone sensors. Pressure readings are immensely...
iOS
WifiMapper free Wifi maps, find cafe hotspots, travel without roaming fees
FreeThe world's largest Wifi database, finding you free Wifi all over the world based on over 500 million hotspots.Save on roaming when travelling by...
iOSMeteor: Free Internet Speed & App Performance Test
FreeComprehensive Internet Speed Testing App
Android
