Sculptura is described as 'With an advanced clay engine and artist-tested tools, Sculptura is the most intuitive and powerful 3D sculpting app ever designed for your iPad. Sculpt engaging characters, ghastly monsters, or even intriguing abstract art anywhere you are' and is a 3D Modeler in the photos & graphics category. There are more than 10 alternatives to Sculptura for a variety of platforms, including Windows, Mac, Linux, Web-based and iPhone apps. The best Sculptura alternative is Blender, which is both free and Open Source. Other great apps like Sculptura are Wings 3D, Autodesk Maya, Autodesk 3ds Max and ZBrush.