AppFollow - AppFollow is an integrated solution that makes monitoring, analyzing, and elevating your app's reputation easy.

TheReviewIndex - An Amazon review summarizer using neural networks

appfigures - Cross-platform app store analytics for all of your mobile apps.

ReviewBay - Aggregates the best reviews of Amazon products.

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.

Fakespot - Fakespot spots, analyzes and identifies fake reviews - helping you out when buying stuff online