Crowdsourced network tester OpenSignal releases on iPhone app
Tweet It took three years, but OpenSignal finally has an iPhone app that will measure and track the performance of …
OpenSignal
OpenSignal raises $1.3M to map mobile network quality
Tweet Crowdsourced mobile network measurement startup OpenSignal has raised a $ 1.3 million seed round from Qualcomm Ventures, O’Reilly AlphaTech …