SceneKit API Reference & Migration Mapping

Complete API reference for SceneKit with RealityKit equivalents for every major concept.

When to Use This Reference

Use this reference when:

• Looking up SceneKit → RealityKit API equivalents during migration
• Checking specific SceneKit class properties or methods
• Planning which SceneKit features have direct RealityKit counterparts
• Understanding architectural differences between scene graph and ECS

Part 1: SceneKit → RealityKit Concept Mapping

Core Architecture