Apple App Analytics - Apple's very own iTunes Connect App Analytics
LinkedIn Audience Network - Reach your audience wherever they are with LinkedIn ads
CleverTap - CleverTap offers blazing fast analytics, powerful real-time segmentation, multi-channel messaging, A/B testing and personalization in one unified solution.
Make My Persona - A free buyer persona generator
AppMetrica by Yandex - Free ad tracking & full-stack app analytics for mobile apps.
Parse.ly Analytics - Analytics for understanding audience attention