For the first time ever, the Google Play Store served more app downloads in a quarter than the Apple App Store, about 10% more according to App Annie. However, the iOS store still brings in 2.3x more revenue than the Google реpository. The main moneymakers in both were games, accounting for 40% of downloads during Q2 of this year. Games accounted for 75% of the revenue...
Source: http://www.gsmarena.com/play_store_beats_apple_app_store_by_downloads_for_the_first_time-news-6502.php