Xcode
Xcode is an integrated development environment (IDE) developed by Apple for creating software for macOS, iOS, iPadOS, watchOS, tvOS, and visionOS. It provides a comprehensive suite of tools including a source code editor, graphical interface builder, debugger, and performance analysis instruments, all tightly integrated with Apple's SDKs and frameworks.
Developers should learn and use Xcode when building native applications for Apple platforms, as it is the official and primary toolset required for iOS and macOS development. It is essential for accessing Apple's latest APIs, submitting apps to the App Store, and leveraging platform-specific features like SwiftUI, Core Data, and Metal. Use cases include developing mobile apps for iPhone and iPad, desktop applications for Mac, and software for Apple's wearable and TV devices.