How SwayMarkets compared the 3G network data

Our story on the best iPhone carrier relied heavily on data generated by users of CarrierCompare, an app developed by Boston-based startup SwayMarkets. Here’s what co-founder Amos Epstein had to say about the methodology behind the statistics: 

"SwayMarkets collected & analyzed between 15,000 and 40,000 data points across each city, with care taken to ensure representative sampling over both location & time. As opposed to more conventional drive testing or sponsored surveys, all our data is crowdsourced. Our results are more indicative of customers’ actual experience with their phones."