Reviews for iOS - Keep track of your App Store reviews
AppRecs - AppRecs sorts through reviews in the App Store and automatically helps you filter out inauthentic results.
ReviewFlowz - Never miss a review again All your reviews, straight to your favourite slack channel.
Review Scraper API - Reviews from 50+ sites in JSON
Product Reviews - Concise and unbiased software product reviews
Best Best List - Rotten Tomatoes for Amazon products