This app has so many flaws. The price setup can going back and forth even though all the setting are correct. As a developer, you should fully test out the function of the app before launch.
Hey !! Please excuse us for the less satisfied experience with the app. As per our one-to-one screen-sharing session, Everything seems to be working fine on your store. The prices are showing correct.
Please be informed that, We never want our clients to face any kind of issues. Providing a great customer experience is very important to us. In case of any further help, Please feel free to connect at firstname.lastname@example.org . We are just a ticket reply away :) - Team Webkul