Android Users Join Movement to Reveal Best Cell Coverage

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Free App from RootMetrics First to Provide Consumers with Objective Data and Rankings

RootMetrics Coverage Map App for Android

RootMetrics™, the first independent service to accurately measure and rank best cell coverage in major cities across the country, today enlisted a new and powerful group of supporters to its crowdsourcing app: Android users.

“In 2010, our Cell Phone Coverage Map app immediately gained the support of iPhone users and enabled us to help answer the age-old question of ‘which cell carrier is right for me?’” said Paul Griff, CEO RootMetrics. “Anyone that’s signed a contract for cell service knows the uneasy feeling of hoping they’ve made the right choice. Our service adds an extra layer of information that can really help them to be sure.”

Android users, who’ve used a beta service from RootMetrics in the past but never had access to the Coverage Map app, will be joining their iPhone counterparts that already number in the tens of thousands who’ve sparked a grassroots movement to map the one true picture of the carriers’ networks – a picture that has not previously been clearly or objectively available to U.S. consumers. After downloading the app, iPhone and Android handsets become network monitoring devices activated by consumers to measure and report tens of millions of data points that benchmark network performance for AT&T, Sprint, T-Mobile and Verizon customers.

“In 2010, iPhone users were fast to respond to our crowdsourcing call-to-action, and their contribution proved disruptive right away, revealing carrier coverage maps for what they are – approximations of coverage that offer no help with data performance and often don’t illustrate consumers’ real-world experiences,” said Griff. “Those early adopters have helped RootMetrics transparently build a service that’s fundamentally changing the way subscribers look at their carrier’s performance. We expect Android consumers will be equally enthusiastic to help us in the collection and reporting.”

RootMetrics’ partnership with wireless consumers is creating coverage maps that reliably illustrate the carriers’ respective performances for side-by-side comparisons where it matters most – wherever an individual consumer most often places calls and uses their data service. RootMetrics’ crowdsourcing app accurately measures the mobile networks the way that consumers really experience them and reports performance data including signal strength, the results of data speed tests and service reliability findings including the location of network “dead zones.”

The company’s popular smartphone app and mapping service features colorful maps indicating the performance of a select network’s voice and data services in ranges from bright green (strong service) to shades of red (not so good) to black (very poor or no service), the only service that reports both voice and data performance findings. The service also provides a RootScore™ system that enables side-by-side comparisons of carriers, making it easy for consumers to rank carrier performance in a mapped city and, most helpfully, zero in on comparative data pinpointing performance findings at specified street intersections.

“The carriers agree that everyone wins when their subscribers help benchmark network performance, and we make it easy for everyone to review our published findings,” said Griff. “That’s already helping the carriers to more clearly see where and how they can improve their services.”

Data published by RootMetrics is widely available in markets across the U.S. and newly crowdsourced data collected in all 50 states ensures that RootMetrics’ service is routinely updated. New markets are added to the mapping service as local crowdsourcers and RootMetrics employees collect data. RootMetrics’ service is at and at CNET at

“RootMetrics publishes facts, not opinions, and the fact is there’s no one best carrier, but RootMetrics can help you find the carrier that’s best for you,” said Griff. “Do that, and join the movement making possible an open, transparent mobile marketplace. By anonymously putting your carrier to the test, you help everyone put every carrier to the test.”

About RootMetrics™

Bellevue, Washington-based RootMetrics is building a movement to create a more open mobile market that democratizes mobile performance data. Deploying a sophisticated smartphone application, RootMetrics partners with consumers to collect network signal strength and data throughput speeds, aggregating collected metrics into easy-to-understand maps that rate each carrier’s performance. This comparative data provides transparency into comparative carrier performance down to the most granular levels. For more information, please visit


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Ann Marie Ricard
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