InstaMAT is described as 'Offers a comprehensive solution for procedural material and asset creation, scalable texturing, and data-driven asset pipelines where instead of texturing a specific asset, you're now texturing an entire class of assets using a previously established workflow' and is an app in the photos & graphics category. There are more than 10 alternatives to InstaMAT for a variety of platforms, including Windows, Mac, Linux, Epic Games Store and Electron apps. The best InstaMAT alternative is Adobe Substance 3D Painter. It's not free, so if you're looking for a free alternative, you could try Material Maker or TextureLab. Other great apps like InstaMAT are MARI, PixPlant, Adobe Substance 3D Sampler and Quixel Suite.