09/10/2009 05:12 am ET Updated May 25, 2011

Media Companies Searching For iPhone App Revenue Model

Yet, as with the Web, it is far from clear how much revenue media apps for the iPhone can produce.

"We're all trying to figure out as we go: is there a subscription model here, is it an advertising model, is there a monthly recurring revenue stream, is it a one-time payment model?" Mr. Jones said. "It's a very fluid model."

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