App Annie - App Annie is a marketing analytics tool available for apps of all kinds. With App Annie, you can track sales, traffic, and a variety of other factors pertinent to monitoring an app's trajectory.

Crayon Data - Crayon powers enterprises with the big data capability to offer personalized choices to consumers.

AppFollow - AppFollow is an integrated solution that makes monitoring, analyzing, and elevating your app's reputation easy.

Asolytics - App optimization tools | ASO service for boosting app success in app stores

Sensor Tower - Sensor Tower is a platform for app store optimization and app industry intelligence.

SimilarWeb - SimilarWeb.com is a website analysis tool that gives you analytics information for any website.