DISQUS - Disqus is a global comment system that improves discussion on websites and connects conversations across the web.
AppFollow - AppFollow is an integrated solution that makes monitoring, analyzing, and elevating your app's reputation easy.
Hyvor Talk - The Best Commenting Platform For Your Website
appfigures - Cross-platform app store analytics for all of your mobile apps.
Commento - A fast, bloat-free comments system to foster discussion on your website
AppReviewBot - Get new iOS App Store and Google Play Store reviews directly in Slack, Microsoft Teams or Mattermost as soon as they happen. Unlimited apps, every country.