founded 2008 2008 founders ron dicklin paul griff jason browne andy hollenbeck headquarters bellevue washington united states area served united states key people dave williamson president products rootscore reports coveragemap and coveragemap mobile app parent ihs website www.rootmetrics.com 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 . 2 rootmetrics was acquired by analytics firm ihs inc. in 2015 . contents 1 products and services 1.1 rootscore reports 1.1.1 national rootscore reports u.s. uk canada 1.1.2 state nations rootscore reports u.s. uk 1.1.3 metro rootscore reports u.s. uk canada 1.1.4 airport rootscore reports u.s. uk 1.2 coveragemap and coveragemap mobile app 2 testing methodology 3 rootscore awards 4 references 5 external links products and services edit rootscore reports edit rootscore reports provide mobile network comparison information based on the company s testing . in the united states the firm publishes reports for the u.s. as a whole the 50 u.s. states the 125 most populous u.s. cities and the 50 busiest u.s. airports . in the uk rootmetrics publishes rootscore reports for the four uk nations 16 most populous metropolitan areas and three london airports heathrow gatwick and city . the reports show network reliability and speed using two indexes network reliability and network speed . 3 the network reliability index is made up of results from data mobile internet call and text testing ; the network speed index is compiled from data mobile internet and text results . national rootscore reports u.s. uk canada edit the firm publishes national rootscore reports twice a year for the u.s. uk and canada as a whole . 4 5 6 state nations rootscore reports u.s. uk edit rootmetrics publishes rootscore reports twice a year for the 50 u.s. states and the four uk nations of england northern ireland scotland and wales . 7 metro rootscore reports u.s. uk canada edit metro rootscore reports compile data on the major networks mobile performance within the 125 most populous u.s. metropolitan markets the 16 most populous uk larger urban zones luzs and the six most populated canadian metropolitan areas . airport rootscore reports u.s. uk edit the firm tests mobile network data performance at the 50 busiest u.s. airports as designated by the faa plus heathrow gatwick and city airports in the uk measuring the network data performance of major operators on a typical day . 8 the data collection is conducted in publicly accessible areas including common areas such as check in baggage claim and various terminals . test cover typical travel days avoiding major holidays . coveragemap and coveragemap mobile app edit the rootmetrics coveragemap combines the company s scientifically collected results with results crowdsourced from consumers . it is available both online and within the company s mobile app for android and ios . it displays call performance average call signal strength download data speeds and types of network technology available . 9 testing methodology edit 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 . 10 11 test locations are randomly selected in each state and each nation and divided into groups by population size with each population based group given equal weighting . 12 complementing its professional testing the firm also gathers crowdsourced network performance data from mobile users 13 combining them to produce the coveragemap comparison tool available both online and within the mobile application . rootscore awards edit rootscore awards are assigned to the networks with the top score in data mobile internet performance call performance text performance and overall performance incorporating the three categories . 14 15 for airports the awards are based on the data mobile internet performance . 16 references edit shopping for a mobile network cut through the marketing with rootmetrics . flip the media mcdm . 2011 07 25 . which wireless carrier is king one testing firm weighs in . cnet . 2015 02 09 . retrieved 2016 02 01 . meet the firm behind verizon at & t s reliability speed claims . cnet . 2013 08 06 . rootmetrics releases 2nd half 2014 us mobile network performance review ; verizon maintains 1 overall ranking race heating up on many levels . fiercewireless . 2015 02 15 . ee named best uk mobile phone network three in second place . uswitch . 2015 02 15 . canada s wireless tops the u.s and u.k. in speed reliability report says . the vancouver sun . 2014 10 27 . mobile speed tester rootmetrics expands to the uk . gigaom . 2012 08 27 . root metrics measures cell service at airports which carrier wins . nyc aviation . 2013 08 07 . carphone warehouse rootmetrics team up to help brits find the best network . techie news . 2015 02 22 . rootmetrics methodology . rootmetrics . retrieved 2014 08 01 . five things you didn t know about data testing smartphones unlocked . cnet . 2012 08 05 . infographic making sense of the spectrum debate . gigaom . 2012 03 20 . root s crowd sourcing launch deemed a success . wireless week . 2010 03 10 . who has the fastest lte service . the new york times . 2013 03 20 . so who has the superior wireless network anyway . cnet . 2014 01 30 . at & t provides best coverage at top u.s. airports study finds . wired . 2014 02 04 . external links edit rootmetrics website retrieved from https en.wikipedia.org w index.php title rootmetrics & oldid 742793601 categories companies based in bellevue washingtonmobile telecommunications navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 5 october 2016 at 20 47 . text is available under the creative commons attribution sharealike license ; 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