Bigfoot app for Dupont The intelligent polishing BigFoot meets the world of smartphones. Rupes has created a useful application for tablets and smart phones available from both Apple Store and Google Play. The application allows you to research all the information and advice needed for best use of the BigFoot orbital polishing system. Rupes has collaborated with DuPont to develop a series of standard processes that guarantee a perfect refinish. By downloading the free application, you can follow the step-by-step procedure that creates a surface finish without swirl marks or holograms. First, select the type of clear coat used and the defect that needs to be corrected. The application will provide the recommended procedure to follow. There is also a video at the top of the page.