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

Reputation VIP - Reputation VIP provides proprietary technology "Digital Fortress" to improve and protect online reputation on search engines.

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.

WhiteSpark - Whitespark builds tools and provides services that help businesses and agencies with local search marketing. 

appfigures - Cross-platform app store analytics for all of your mobile apps.

Birdeye - #1 most trusted reputation and customer experience platform for local business