Smartphones continue to grow in popularity. According to Nielsen’s ( May survey of mobile consumers in the U.S., 38 % now own smartphones. And 55% of those who purchased a new handset in the past three months reported buying a smartphone instead of a feature phone, up from 34% just a year ago, says the research group.

Android continues to be the most popular smartphone operating system, with 38% of smartphone consumers owning Android devices. However, while Android also leads among those who recently purchased a new smartphone, it’s the Apple iPhone that has shown the most growth in recent months.