What are iOS technologies?

IOS provides frameworks that define particular sets of functionality from gaming and media to security and data management which you can integrate into your app. UIKit framework is used to design your app’s user interface and the Foundation framework to incorporate common data structures and behavior into your code.

Xcode is Apple’s integrated development environment (IDE) for macOS, used to develop software for macOS, iOS, iPadOS, watchOS, and tvOS. … Xcode. Operating systemmacOSTypeIntegrated development environment (IDE)LicenseFreeware with open-source componentsWebsitedeveloper.apple.com/xcode/Xcode – Wikipedia en.wikipedia.org › wiki › Xcode

The Xcode integrated development environment (IDE) includes everything you need to build and upload apps for iPhone, iPad, Mac, Apple TV, and Apple Watch. Easily submit and manage your apps on the App Store.

Most of today’s popular display technologies are LCD, LED-backlit, and OLED. Apple generally uses LCD and OLED in its devices.