According to Nielsen’s May survey of mobile consumers in the U.S., the iPhone has shown a higher rate of growth than Android in recent months. Android continued to the be the most popular smartphone platform in the U.S., representing 38 percent of the overall market and 27 percent of recent purchases, while the iPhone represents 27 percent of the overall market and 17 percent of recent purchases. Notably, the iPhone’s percentage of recent purchases is up sharply from 10 percent in the February survey, while Android held a 27 percent share in both surveys. Overall, 55 percent of recent handset purchases were smartphones, up from 34 percent one year ago.