Hi
Default cache folders are as follows:
Website version: /Users/<username>/Library/Caches/com.nchsoftware.videopadpaid
Mac App Store pro version: /Users/<username>/Library/Containers/com.nchsoftware.videopadpaid/Data/Library/Caches
Mac App Store lite version: /Users/<username>/Library/Containers/com.nchsoftware.videopad/Data/Library/Caches
Resource files are stored in the ~/Library/Application Support/VideoPad folders. Expand the "~/Library" folder using the paths above