V-Ray is described as 'For 3ds Max is a complete rendering solution, which combines the power of the well-known V-Ray award-winning production rendering engine with the flexibility and exceptional speed of the interactive rendering system V-Ray RT and the even more impressive new V-Ray RT' and is an app. There are more than 25 alternatives to V-Ray for a variety of platforms, including Windows, Mac, Linux, Autodesk 3ds Max and Blender apps. The best V-Ray alternative is Adobe Dimension. It's not free, so if you're looking for a free alternative, you could try LuxCoreRender or MoonRay. Other great apps like V-Ray are Cycles Renderer, Keyshot, RenderMan and Mitsuba.