Apple’s App Store has been the undisputed revenue king since its inception, however, its once enormous lead is now quickly shrinking. That leading edge over Android is an argument that’s becoming moot as the Play’s revenue continues to grow at a ravenous rate. According to App Annie, an industry leader in app store analytics and marketing, Google Play’s revenues have skyrocketed 311% in the last year, compared to the App Store’s more conservative 12.9%.