Developer Dylan Ginsburg has noticed that a lot of iPhone companies (including most of the folks I spoke with at GDC last week) don't like to talk about exactly how much money they've made on the App Store. But he has no such compunctions, so he's written up a nice post on his blog about how much his River of News RSS app for the iPad has made so far. The short answer? About $20,600 since the app was released on August 19th. The app, which peaked in the top 30 (good, but not outstanding), has sold about 9,500 copies so far, and has made about $5500 of that total in the past month, which Ginsburg says seems like a pretty standard period.
I can tell you from my own knowledge that
