Android phones again accounted for more than half (54%) the impressions on the MillennialMedia mobile ad network in June, double the 26% share driven by the iPhone. BlackBerry phones generated 15% of impressions, and Symbian and Windows Phone, just 3% and 2%, respectively.
Separate data released Thursday by mobile ad network InMobi showed a much tighter race between the two top smartphone platforms, with Android accounting for 33% of impressions compared to 29% for the iPhone in North America in the second quarter. The iPhone picked up 11 percentage points from the first quarter, while Android's share dropped by four points.
About 38% of U.S. smartphone users have Android devices, compared to about 27% who use iPhones, according to comScore and Nielsen. But the Google platform's explosive growth has recently leveled off. Among people buying smartphones in the three months ending in May, Android's share was steady at 27%, while the iPhone's jumped from 10% to 17%, per Nielsen.
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