Marmoset Toolbag and Substance Painter differ in core focus: Toolbag prioritizes real-time rendering and presentation, while Substance Painter specializes in texture creation and painting.
Substance Painter is a texture authoring tool, offering layer-based painting, mask creation, and procedural generation to build detailed material maps (e.g., albedo, normal, roughness).
Marmoset Toolbag focuses on real-time visualization, letting users preview textures under dynamic lighting, render high-quality previews, and create interactive 3D asset presentations.
Typically, Substance Painter is used early to craft textures, while Toolbag is used later to showcase them in realistic environments (e.g., portfolio renders, client presentations).
Choose Substance Painter to create/edit textures from scratch; use Marmoset Toolbag to preview, light, and present existing textures in real time.