Philip Elmer-DeWitt / Apple 3.0 – Philip Elmer-DeWitt
Apple App Store monetization news – With in-app purchase prices soaring, Apple invites developers to buy more ads. From The average price of in-app purchases have increased 40% on iOS and 9% on Google Play since last year posted Tuesday on apptopia: The average price of an in-app purchase (IAP) in the U.S. on the iOS …