Apple ranked as the top smartphone manufacturer with 39 percent OEM market share, while Google Android led as the #1 smartphone platform with 52 percent platform market share.
Smartphone OEM Market Share
138.5 million people in the U.S. owned smartphones (58 percent mobile market penetration) during the three months ending in April, up 7 percent since January. Apple ranked as the top OEM with 39.2 percent of U.S. smartphone subscribers (up 1.4 percentage points from January). Samsung ranked second with 22 percent market share (up 0.6 percentage points), followed by HTC with 8.9 percent, Motorola with 8.3 percent and LG with 6.7 percent.
Smartphone Platform Market Share
Google Android ranked as the top smartphone platform with 52 percent market share, while Apple’s share increased 1.4 percentage points to 39.2 percent. BlackBerry ranked third with 5.1 percent share, followed by Microsoft (3 percent) and Symbian (0.5 percent).
Here's the data for January, February, and March if you're interested in seeing the progression. Apple's iPhone had 37.8% of the market in January. iOS had 37.8%. (Based on a three month average).