May 3, 2011

According to research firm IHS iSuppli, mobile app sales — including subscription apps, one-time fee apps, and upsales within apps — will rise this year to $3.8 billion. I’d be inclined to trust this number, especially as Apple and Google’s Android just launched subscription app offerings this year. Recurring revenues are easier to count on growing steadily, for now, than one-time download sales.For example, Popular Science already sells subscriptions on both platforms and is claiming nearly…