Earlier this month, Apple crossed a record 25 billion downloads from more than 550,000 available apps, while Google in December surpassed 10 billion downloads from 400,000 available apps. Analytics firm Flurry on Friday announced the results of a new study that examined various mobile app markets, and interestingly enough, the study found that apps in Amazon’s competing Android Appstore earns three times more revenue than those within Google’s own marketplace. Apple’s App Store took in the most revenue, with the Amazon Appstore earning 89% of the revenue Apple did and Google’s Play marketplace making just 23%. “Another way to interpret the results is that for every $1.00 an app generates in the iTunes App Store, it generates $0.89 in the Amazon Appstore and $0.23 in Google Play,” Flurry analysts wrote in their report. “These results mirror those of a similar analysis conducted by Flurry last December, where we found for every $1.00 generated in the iTunes App Store, developers generated $0.24 in the Android Market.” The statistics come from 11 million daily active users of top-ranked applications available on iOS and Android over a 45-day period between mid-January through the end of February.