What are some alternatives?
When comparing Makebox AR and MasterpieceVR, you can also consider the following products
Ameyt World - Block-crafting for Augmented Reality
Tilt Brush by Google - Paint in spaces around you with Virtual Reality
Snap Art - Snap's augmented reality platform
Oculus Medium - Sculpt, model and paint in virtual reality on a 3D canvas.
AR Fidget Spinner - Fidget spinner, re-imagined in AR
VR Sketch - A tool for designers to draw inside virtual reality