The wealthiest smartphone owners prefer BlackBerrys over iPhones. The iPhone, in turn, trumps Android when it comes to the moneyed class. But Android looks to be the people's choice among the middle class.

What's wealthy? In this case, a household income of $150,000 or more a year, according to Prosper Mobile Insights, which surveyed 25,000 respondents in June for its "Simultaneous Media Usage Survey."

In that top income category, 11.3 percent of smartphone owners said they have BlackBerrys; 10.9 percent, iPhones; and 7.2 percent, Android.

The same is true in the $100,000 to $149,999-a-year category, where 21.2 percent have BlackBerrys, 19.1 percent iPhones and 15.8 percent Android. At least in these categories, BlackBerrys are maintaining their lead, while in the real world, the devices once considered the Cadillac of smartphones have been losing significant ground to Android and Apple's phone.

The iPhone rules in households with annual incomes of $75,000 to $99,999 a year; among smartphone owners, 19.6 percent have Apple's phone, 18.7 percent, a BlackBerry, and 18.2 percent, Android.

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