App Cleaner for Mac is a simple way to get rid of these applications and files. While most apps will uninstall from a Mac without a problem, there are a few apps that will not, and that leave orphan files or folders hanging around chewing up disk space. It is available from many download sites, although not from the App Store, and it installs easily. App Cleaner for Mac is a simple application that uninstalls applications and all associated files.