comScore (www.comscore.com), which "measures the digital world," has reported trends in the U.S. smartphone industry for August.

Apple ranked as the top smartphone manufacturer with 42% OEM [original equipment manufacturer] market share, while Google Android led as the #1 smartphone platform with 52% platform market share. Facebook ranked as the top individual smartphone app.

comScore says 174 million people in the U.S. owned smartphones (72% mobile market penetration) during the three months ending in August, up 3 percent since May. Apple ranked as the top OEM with 42% of U.S. smartphone subscribers (up 0.1 percentage points from May). Samsung ranked second with 28.9% market share (up 1.1 percentage points), followed by LG with 6.7% (up 0.2 percentage points), Motorola with 5.4%and HTC with 4.5%.

Android ranked as the top smartphone platform in August with 52% market share, followed by Apple with 42% (up 0.1 percentage points from May), Microsoft with 3.5% (up 0.1 percentage points), BlackBerry with 2.3% and Symbian with 0.1%.