Sensor Tower - Sensor Tower is a platform for app store optimization and app industry intelligence.
ViralStat - All-in-one tool for cross-platform social video analytics
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.
SimilarChannel - Find Similar Youtubers and Channels like your Favorite Channel
appfigures - Cross-platform app store analytics for all of your mobile apps.
Tubalytics - Global YouTube analytics tool for influencer marketing