SCANN3D is described as 'Scann3D deploys patent pending photogrammetry technology to enable true 3D model capture and reconstruction for smartphones and tablets. Your device becomes a standalone tool to turn images into 3D models - all your images are processed by and on it' and is a 3D Modeler in the Photos & Graphics category. There are four alternatives to SCANN3D for a variety of platforms, including Windows, Android, Android Tablet, iPad and iPhone. The best alternative is ReconstructMe. It's not free, so if you're looking for a free alternative, you could try Qlone. Other great apps like SCANN3D are Skanect (Paid) and Scan from Life (Paid).
With Skanect, capturing a full color 3D model of an object, a person or a room has never been so easy and affordable. Skanect transforms your Microsoft Kinect or Asus Xtion camera into an ultra-low cost 3D scanner able to create 3D meshes out of real scenes in a few minutes.