APPlyzer - Professional rankings & keywords for app developers, marketers and publishers.
Apple App Analytics - Apple's very own iTunes Connect App Analytics
Segment Sources - Load CRM, billing, and other cloud data to your Warehouse
AppMetrica by Yandex - Free ad tracking & full-stack app analytics for mobile apps.
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.
Braavo Analytics - Essential app analytics for busy founders