Yeah, you are right, delete the app and empty the app itself in Mac Trash is not complete. The associated files will still remain on your Mac. You are suggested to utilize iBoysoft MagicMenu, a convenient tool to complete uninstall apps and leftovers together.
- Free download, install, and open iBoysoft MagicMenu.
- Click Extension, scroll down and find Uninstall App then click the down arrow.
- Right-click any your unneeded app and choose Uninstall > Uninstall > Yes.
You app and related files are removed together with this app. Free download it now!