The overall rating reflects the current state of the app. It accounts for all app reviews but prioritizes the most recent ones.
The Top Ref
The app is intuitive to use and has a very clean overlay on images to indicate measurements. Much neater than writing dimensions as a technical spec on the side.
Price is too high in my opinion and the uninstallation process/UI messaging is very poor. It posted on my public website product images that my subscription had ran out...