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• The In-App Purchase rate depends on a number of factors, including, but not limited to, whether the app itself is free or paid, how good the In-App Purchase feature is, and the business model for said app. Be that as it may, it is both interestin…

  in Developer of bestselling iPhone app says just 5% of buyers opt for in-app purchases Comment by orangegroupapps April 2011
• Typo: When making an app with both low- and high-res images, the naming convention is file.png and [email protected], respectively. Devices with Retina displays will automatically pick the @2x version to display.

  in Apple iBooks app indicates iPad 2 will quadruple resolution to 2048x1536 Comment by orangegroupapps January 2011