Research firm comScore has released its latest U.S. smartphone industry report, estimating that Apple remains top of the pile in the smartphone industry with a market share of 39.2 percent.
Based on data gathered through the company's MobiLens service -- which harvests user information based on subscribers 13 years and older -- comScore says that in the three month period ending April 2013, Apple and South Korean rival Samsung were the only manufacturers which enjoyed a positive increase in market share values.
Tech giant Apple managed to snag 39.2 percent of U.S. smartphone subscribers, a positive point change of 1.4 percent. Samsung ranked second with a 22 percent market share, up 0.6 percentage points.
Taiwanese electronics maker HTC followed with 8.9 percent, Motorola with 8.3 percent and LG with 6.7 percent. HTC, Motorola and LG all experienced a market share decline ranging from 0.8 to 0.3 percent over the three-month period.
When it comes down to the operating system marketshare, Android still reigns supreme. On the smartphone global platform, Google's Android secured 52 percent of the market. However, the operating system is estimated to have experienced a slight drop -- 0.3 percent -- in subscribers, whereas Apple has enjoyed a 1.4 percentage point increase, taking 39.2 percent of the smartphone platform share.
BlackBerry ranked third with a share of 5.1 percent, followed by Microsoft -- 3 percent -- and Symbian with 0.5 percent.
comScore analysts estimate that the total number of smartphone subscribers in the United States has reached 138.5 million.