App Annie is an application that provides app analytics and marketplace intelligence insights for all your app trend analysis and competitor benchmarking requirements. The app furnishes its features mostly for free, with a fee fetching you some extra features, which includes in-depth revenue estimates and download details, and also custom reports. App Annies’ free features comprise an analytics dashboard for tracking publisher information of an app – such as downloads, ratings, revenue, ranking and reviews. And this analysis is cross-platform too, which means the target app could be available on iTunes, Amazon, or Google Play.