"In-app purchases greatly expand monetization of the free-to-play model, thanks to seamless payments," said Pietro Macchiarella, research analyst at Parks Associates, said in a release. "Already, most of the top grossing games on iTunes and Android can be downloaded for free and generate the majority of their - ...read more
"In-app purchases greatly expand monetization of the free-to-play model, thanks to seamless payments," said 
