What are some alternatives?
When comparing Snap Art and Apple ARKit, you can also consider the following products
Made With ARKit - Hand-picked curation of the coolest stuff made with ARKit
SketchAR - Start drawing easily using augmented reality
Tilt Brush by Google - Paint in spaces around you with Virtual Reality
Facebook AR Studio - Facebook's developer platform for Augmented Reality
Amazon Sumerian - A cloud platform to create VR, AR, and 3D experiences
Google ARCore - Google Augmented Reality SDK