Keyboard Maestro is a closed-source commercial macOS-based application that allows automation of routine functions, such as navigating running applications, opening documents, typing text, expanding abbreviations, and controlling web applications.
License: Commercial
Automator is an application that implements point-and-click (or drag and drop) creation of workflows for automating repetitive tasks into batches for quicker alteration, thus saving time and effort over human intervention to manually change each file separately. Developed by Apple
License: Commercial
Automator is a built-in macOS tool ideal for simple automation tasks, while Keyboard Maestro offers a more powerful and flexible solution for advanced users looking to create complex workflows and macros. The choice between them largely depends on the user's needs for complexity and customization.