Here is the evolution of the App Store in 2012 (infographic)

  2012 was a very good year for Apple's App Store, many applications were sold, billions of dollars were generated for developers, and everyone had something to gain. 339.164 applications were published in the App Store, only 34% of the applications published in the App Store were paid, over 96.000 new developers registered with Apple and over 1 million applications were published in 4 years of the App Store.

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