App Annie is the industry leader in app ranking, app store analytics and market intelligence supporting iPhone, iPad, Mac, Google Play and Amazon. 

Annie takes care of all the work (and the math), keeping you up-to-date with your own app's metrics and the latest app store trends. She provides three fabulous products for her fans: 

APP ANNIE ANALYTICS (+ ADVERTISING ANALYTICS) 
A free web-service that automatically retrieves, visualizes and stores your app's download, revenue, ranking, and review data. You can even track your ad data side-by-side with your app downloads and revenue. 

APP ANNIE STORE STATS 
The most comprehensive free app store database on the Internet today. It provides you with detailed ranking charts, historical data, featured placements and international app store matrices. 

APP ANNIE INTELLIGENCE 
Our premium product - it gives our advanced customers access to the most accurate market intelligence data available for app stores. 

More than 90% of the Top 100 publishers use App Annie. 
More than 600,000 apps use App Annie Analytics. 
Backed by Sequoia Capital, IDG Capital Partners, Greycroft Partners, e.ventures and Infinity Venture Partners.