Apple App Analytics - Apple's very own iTunes Connect App Analytics
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!
My Motiff - Allowing you to stay connected in realtime
Iterate - Get the feedback you need to build better products
Usage Analytics in appFigures - Track usage for your app along side downloads, ranks & more
Refiner - Customer Feedback Surveys For SaaS