Android and iPhone Square Off in Nielsen Data

Nielsen yesterday released more mobile data that offer a range of interesting insights into the US smartphone world. Nielsen now asserts that smartphones comprise 23% of US handsets. If we assume a base of 250 million mobile subscribers (CTIA says it's more, comScore uses 234 million), the 23% translates into 57.5 million US smartphone users.

According to Nielsen's data almost 90% of iPhone and Android users have accessed the mobile Internet within the past 30 days. Various surveys we've done have indicated ranges from 37% to more than 50% of smartphone users tapping the mobile Internet on a daily basis. In the Nielsen data application use is almost as high as mobile Internet access. In addition, location-based services/GPS (probably maps and directions rather than Foursquare) come in as one of the top mobile usage categories.

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According to Nielsen, RIM and WinMo have lost share, while iPhone and Android have directly gained at their expense.

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Compare comScore's most recent US smartphone data (Feb 2010):

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There's also some interesting data about loyalty, showing iPhone and Android loyalty -- with Android owners being somewhat more open to buying an iPhone next vs the other way around. I've argued that Android sales would probably be directly impacted if the iPhone were more broadly available from carriers other than AT&T:

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