IOS development refers to the process of developing applications for Apple's iOS platform, which is used on iPhones, iPads, iPods, and other Apple devices. IOS development requires specialized skills in programming languages such as Swift or Objective C, knowledge of Apple's development tools and software development kits (SDKs), as well as an understanding of Apple's design guidelines and user experience principles. The iOS app development process involves designing, coding, testing, and deploying applications to the App Store. Successful iOS developers also keep up-to-date with iOS updates, trends and new technologies to ensure their apps are compatible with the latest devices and user expectations.