Apple's iPhone climbs to 31% share of US smartphone market

comScore released on Tuesday quarterly data from its MobiLens service, which surveyed 30,000 mobile subscribers users, revealing that the  iPhone made up 30.7 percent of the U.S. smartphone market and 14 percent of the mobile market in the first quarter of 2012.

Apple's share of the smartphone market grew 1.1 percent when compared to the fourth quarter of 2011. The figures were up 0.5 percent from Apple's three-month average from February.

Apple’s growth was outpaced by the Google Android platform, which grew 3.7 percent sequentially to reach 51 percent market share. RIM and Microsoft lost out during the quarter. The BlackBerry maker fell from 16 percent in December 2011 to 12.3 percent in the March quarter.

The research data show that Apple was the third-largest handset maker in the U.S. during the March quarter. Samsung took the top spot with 26 percent. LG came in second place with 19.3 percent share. Motorola and HTC trailed Apple in fourth and fifth place, respectively.