So, some quick math: The average user downloads 83 apps. 15 billion apps have been downloaded. There are a bit over 180 million iOS devices. $2.5 Billion has be

So, some quick math: The average user downloads 83 apps. 15 billion apps have been downloaded. There are a bit over 180 million iOS devices. $2.5 Billion has been paid out to developers; that's about $14 per user. Since the average price of an app is $1.48, the average user buys 9.45 apps.