ComScore: Almost 70% of U.S. smartphones run Android or iOS

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Google's (NASDAQ:GOOG) Android mobile operating system extended its dominance over the U.S. smartphone market in July 2011, ending the month with 41.8 percent market share, up 1.8 percentage points month-over-month and increasing 5.4 percentage points since April 2011, research firm comScore reports. Apple's (NASDAQ:AAPL) iOS was the only other mobile platform to exhibit growth during the period, increasing 1.0 percentage point over April to capture 27.0 percent of the U.S. smartphone segment.

smartphone os marketshare thumbnail

Click here to see a larger version of this chart of the smartphone OS marketshare since 2009.

Smartphone ownership in the U.S. now exceeds 82.2 million--Android and iOS together represent 68.8 percent. Research In Motion's (NASDAQ:RIMM) BlackBerry continues its freefall, sliding another 4.0 percentage points between April and July to make up 21.7 percent of the market. Microsoft's (NASDAQ:MSFT) Windows Phone platform fell from 6.7 percent in April to 5.7 percent in July, and Symbian slipped from 2.3 percent to 1.9 percent.

Mobile data usage continues to grow, with 70.0 percent of all U.S. mobile subscribers sending text messages during the three-month period ending in July, up from 68.8 percent at the end of April. In addition, 40.6 percent of subscribers used downloaded apps (up from 37.8 percent), 27.8 percent played mobile games (up from 26.2 percent) and 30.1 percent accessed social networking sites or blogs (up from 28.0 percent).

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