A user feedback tool is a tool that is used on your website or mobile app to discover how users experience your online service. You are probably wondering now: “Yes, but a quantitative analytics tool (such as web statistics) supplies you with the exact same information?” This is not entirely true, because a user feedback tool retrieves the “why” question: Why do your visitors behave the way they do on your website?
https://mopinion.com/what-are-user-feedback-tools/