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.
Qonversion - The subscription data platform for mobile-first companies
AppFollow - Tool for ASO, app tracking & user reviews management
Waldo for Analytics - Inspect and test your mobile app analytics with No-code
appfigures - Cross-platform app store analytics for all of your mobile apps.
Apple Subscriptions - Subscription offerings now available to App Store developers