Reviews for iOS - Keep track of your App Store reviews
Product Hunt Reviews Widget - Embed and encourage PH reviews into your product
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.
Typical Contents - Wirecutter for clothes
Best Best List - Rotten Tomatoes for Amazon products