What is the difference between UIKit and Cocoa?
The question is about UIKit
The difference between UIKit and Cocoa lies in their scope and platform specificity. UI Kit is a framework in the Cocoa Touch layer. This layer is used exclusively for implementing user interfaces for iOS, iPadOS, and watchOS. It provides UI components like buttons, views, and gesture recognizers, while focusing on the implementation of mobile and touch-based interfaces.
The counterpart is Cocoa, a more general environment in which application development, used mainly for macOS, takes place. It involves frameworks such as AppKit for macOS UI, Foundation for core functionality, and other tools required for the development of macOS. In contrast, UIKit works exclusively on the mobile devices of Apple, while Cocoa is applied to the whole macOS environment, covering all the tools needed for both UI and non-UI parts, thus making it much broader in the context of macOS.