Geomagic Verify Viewer is described as 'Share and view inspection results and a multitude of 3D scan data and CAD formats with Geomagic Verify Viewer'. There are four alternatives to Geomagic Verify Viewer for Windows, Linux and Mac. The best alternative is CloudCompare, which is both free and Open Source. Other great apps like Geomagic Verify Viewer are Autodesk ReCap (Paid), 3D Reshaper (Paid) and 3DViewer (Free).
CloudCompare is a 3D point cloud (and triangular mesh) processing software. It has been originally designed to perform comparison between 3D points clouds only. It relies on a specific octree structure that enables great performances(1) relatively to this particular function.