App Annie vs Sensor Tower: What are the differences?

Developers describe App Annie as "The leader in app store analytics, app rankings, and market intelligence". Annie takes care of all the Math Behind The App Stores keeping you up-to-date with your own app's metrics and the latest app store trends. Annie provides three fabulous products for her fans: Analytics, Store Stats, Intelligence. On the other hand, Sensor Tower is detailed as "Get more users for your Mobile Apps". Sensor Tower is an app analytics platform focused on helping companies with mobile apps understand and improve their organic user acquisition, analyze their app’s performance, keep up to date with competitors and manage reviews. Over 20,000 mobile companies & developers use Sensor Tower to improve their downloads on iOS (iPhone, iPad and iPod) and Android.

App Annie and Sensor Tower can be categorized as "Mobile App Store Optimization" tools.

Some of the features offered by App Annie are:

• APP ANNIE ANALYTICS - A free web-service that automatically retrieves, visualizes and stores your app's download, revenue, ranking and review data.
• 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 allows our advanced customers to access the most accurate market intelligence data available for app stores today.

On the other hand, Sensor Tower provides the following key features:

• App Store Optimization
• Competitor Tracking
• Review Analysis