$1.13 Million: The Total Price of All iOS Apps In The App Store

We spotted this number today - yes, we understand that very soon we will have a billion apps on the App Store - but how much does it cost to buy out all the apps in the App store today? The answer: USD 1.13 Million (Source)

One other point - the most expensive apps (based upon average per paid app) can be found in the Medical and Business categories.