Mobile Action - Mobile Data Intelligence & Actionable Insights.
Apple App Analytics - Apple's very own iTunes Connect App Analytics
Pathmatics - Pathmatics provides actionable display and mobile intelligence to many brands, agencies, publishers, and advertisers.
CleverTap - CleverTap offers blazing fast analytics, powerful real-time segmentation, multi-channel messaging, A/B testing and personalization in one unified solution.
Flurry - Personalizing The Mobile Experience
AppMetrica by Yandex - Free ad tracking & full-stack app analytics for mobile apps.