In third quarter 2011, in the U.S., 71 percent of those with smartphones own either an Apple iPhone or an Android-based phone. But when it comes to smartphone apps, iPhones and Android smartphones are even more dominant: 83 percent of app downloaders, that is, those who downloaded an app in the past 30 days, use iPhone or Android smartphones.
According to Nielsen’s latest data, 44 percent of all U.S. mobile subscribers now have smartphones. Among those who purchased a new mobile phone in the last three months, 56 percent chose smartphones. In third quarter 2011, prior to the 4th quarter (October 14) U.S. iPhone 4S release, Android remained the leading smartphone operating system while Apple was the leading smartphone manufacturer.
Source: Nielsen Wire