Typeform - Create beautiful, next-generation online forms with Typeform, the form & survey builder that makes asking questions easy & human on any device. Try it FREE!
Adapty - Low-code price personalization for in-app subscriptions
FreeSurveyCreator - With free survey creator you can embed a survey in your site and start receiving visitor feedback in no time. It is free and easy to setup
Apple App Analytics - Apple's very own iTunes Connect App Analytics
VWO On-page Surveys - On-page pop-up surveys that reveal insights from visitors.
CleverTap - CleverTap offers blazing fast analytics, powerful real-time segmentation, multi-channel messaging, A/B testing and personalization in one unified solution.