
At a more technical level, a simulator is a separate user space running on the macOS kernel. It helps rapid prototyping and testing builds by simulating different devices.

The simulator is a great tool to simulate iOS, iPadOS, tvOS, and watchOS on the Mac. Before you embark on your world tour, you’ll need to understand what a simulator is. Instead, you’ll use this app as a foundation to learn the various simulator options. This is one of the rare tutorials where you won’t be modifying the project. The Map tab shows the photos of the wonders of the world as annotations on a map. Tapping a photo shows a detailed view of its description. The Photo tab shows photos of the wonders of the world.


Running and testing apps on the simulator has become part of every developer’s daily routine. The Xcode Simulator is one of the tools used most widely by developers.
