ARKit

ARKit is Apple's augmented reality framework: it integrates device motion tracking and scene understanding to build immersive AR experiences on iOS, iPadOS, and visionOS.

ARKit is the core framework for developing augmented reality applications across Apple's platforms, leveraging the device's camera and motion sensors for precise world tracking (6 degrees of freedom). It provides essential capabilities: plane detection (identifying horizontal and vertical surfaces), light estimation for realistic rendering, and advanced features like Location Anchors and Motion Capture (tracking human body movement). Since its debut with iOS 11, developers have used ARKit to power high-fidelity applications, from virtual furniture placement (e.g., IKEA Place) to interactive AR games, reaching hundreds of millions of users globally.

https://developer.apple.com/arkit/