OpenSignal Nets $4M To Build Out Its Crowdsourced Mobile Sensor Data Maps


Crowdsourced mobile signal mapper OpenSignal has closed a $4 million Series A funding round, led by chipmaker Qualcomm via its investment arm, Qualcomm Ventures. Prior investors O’Reilly AlphaTech Ventures and Passion Capital also participated in the round.

The UK startup previously raised a $1.3million seed round led by O’Reilly AlphaTech Ventures, back in 2012.

OpenSignal’s premise focuses on offering independent/unbiased — and likely more accurate — signal maps (vs carriers self reporting their coverage) by encouraging smartphone users to download and run its signal-checking software on their devices.

CEO Brendan Gill tells TechCrunch it’s now had more than nine million people download its app globally. “This boils down to over 35 billion data points on the coverage and performance of wireless networks.  We have data on every single mobile operator in every country out there.  We’ve also mapped over 250 million WiFi hotspots as well,” he says.

Gill says the OpenSignal maps are now comprehensive enough to…

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