Freemium Apps Grow Google Play Revenue 350% in 2012

Freemium app revenues in both iOS and Google Play stores have, over the last two years,  more than quadrupled, for both Google Play and the Apple Store. 

In 2012, global "freemium" app revenues on Google Play have grown 3.5 times over 2011, App Annie says, Those revenues include content or virtual goods sales inside the free to use apps and advertising. 

Premium revenues (paid apps)  for both app stores remained relatively flat in 2011 and 2012. 

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