Have you heard of Airport Advisor mobile app?
This app offers in 14 languages passengers to express their experience at airports.
From parking to boarding
Free for the users, airports will have to become member of the app to get their feedbacks with analysis on demand.
Try it and let us know..
source for IOS : https://apps.apple.com/us/app/airports-advisor/id1204560216?l=fr&ls=1
Source for Android : https://play.google.com/store/apps/details?id=com.airportsadvisor