SurveyMonkey Intelligence - Usage and download metrics for all mobile apps
Cydia - An alternative app store for jailbroken devices.
Reviews for iOS - Keep track of your App Store reviews
Zestia - Zestia is a mobile app designed to assist you in organizing your hectic schedule, social life, and professional persona.
Product Hunt Reviews Widget - Embed and encourage PH reviews into your product
JazzMyApp - Let JazzMyApp surprise you with amazing apps everyday. Try it out yourself.