Apple App Analytics - Apple's very own iTunes Connect App Analytics
HelpSite - HelpSite is a simple service to help your setup the perfect support centre or help site.
CleverTap - CleverTap offers blazing fast analytics, powerful real-time segmentation, multi-channel messaging, A/B testing and personalization in one unified solution.
Support Hero - Educate your customers through self-help support
AppMetrica by Yandex - Free ad tracking & full-stack app analytics for mobile apps.
Apervita - Apervita is a self-service platform that allows health enterprises and professionals to author evidence-based insight and connect it to practice, anywhere.