iOS Development refers to the process of creating applications for Apple's mobile operating system, iOS. This involves using programming languages like Swift and Objective-C to build apps that run on devices such as the iPhone and iPad. Developers utilize tools like Xcode, Apple's integrated development environment, to design, code, and test their applications. The development process includes several stages, such as planning, designing user interfaces, coding, and debugging. Developers also need to consider App Store guidelines to ensure their apps are approved for distribution. Overall, iOS Development combines creativity and technical skills to deliver engaging mobile experiences.