When you want to uninstall an OS X application, you want to delete the supporting files as well. This is exactly the reason behind AppTrap, a donation-ware application.AppTrap installs itself in the System Preferences, which provides only one option: on or off. Once turned on, AppTrap watches for application deletion. Once detected, AppTrap displays a window asking if the user wants to delete the supporting files as well. The software is intuitive, the interface is simple which makes the software a joy to use.