Apple has largest U.S. smartphone OS share, says Nielsen

According to a new study from Nielsen, 29.7 percent of U.S. mobile subscribers now own smartphones.

Nielsen's report found that Apple has the largest operating system share in the United States (27.9 percent), followed closely by RIM's BlackBerry OS (27.4 percent), Android (22.7 percent), and Microsoft's Windows Mobile (14 percent). Symbian (3.4 percent), Linux (3.3 percent), and Palm OS (1.3 percent), brought up the rear.

The report also found that younger audiences (18-23 and 24-34) were more likely to upgrade to an iOS smartphone than one based on other platforms, while ages 35-54 were most interested in an Android smartphone.  Read more