RealityKit Development Guide

Purpose: Build 3D, AR, and spatial apps with RealityKit's Entity-Component-System architecture iOS Version: iOS 13+ (base), iOS 18+ (RealityView on iOS), visionOS 1.0+ Xcode: Xcode 15+

Use This Skill When

Use when:

• Building any 3D experience (AR, games, visualization, spatial computing)
• Creating SwiftUI apps with 3D content (RealityView, Model3D)
• Implementing AR with anchors (world, image, face, body tracking)
• Working with Entity-Component-System (ECS) architecture
• Setting up physics, collisions, or spatial interactions
• Building multiplayer or shared AR experiences
• Migrating from SceneKit to RealityKit
• Targeting visionOS