App Review Times - Find out the average app review times for iOS & Mac apps
Testimonial.to - Collect video testimonials in the simplest way
App Reviews Dashboard by Appfigures - Monitor, analyze, and reply to app reviews in one place
Trust - Trust lets you easily create online surveys, collect customer video testimonials and reviews, then display them with beautiful widgets on your business websites.
PitchWall - Browse new startups, and submit your mobile app/games startup's beta page here.
Endorsal - Fully automated collection & display of testimonials. Increase conversions with beautiful, simple social proof.