quick3D is described as 'quick3d - A Universal 3D File Format Viewer and Converter' and is an app in the Photos & Graphics category. There are seven alternatives to quick3D for a variety of platforms, including Windows, Linux, Mac, Online / Web-based and Android. The best alternative is MeshLab, which is both free and Open Source. Other great apps like quick3D are GLC_Player (Free, Open Source), noesis (Free), HRConvert2 (Free, Open Source) and Online 3D Model Converter (Free).
Noesis is a tool for previewing and converting between hundreds of model, image, and animation formats. It utilizes a robust plugin system, with support for native extension modules and Python scripts.
3D Object Converter, a powerful 3d polygon model translation and interactive viewing shareware tool that allows arbitrary 3d model data to be imported from external sources, exported to various industry standard 3d file formats with great accuracy and quality.