RootMetrics (formerly Root Wireless) offers scientifically collected and crowdsourced mobile network performance information to consumers and the industry.

[1] The firm captures user information by testing network performance when consumers are using their mobile phone for voice or data communications.

[3] RootScore Reports provide mobile network comparison information based on the company’s testing.

[10] Tests are conducted with unmodified Android-based smartphones purchased off the shelf at regular mobile phone stores.

The company tests mobile networks at various locations and hours, both indoors and outdoors, and while driving, using a random sampling methodology to prevent bias.