3D Model Viewer - OBJSTLDAE is a free Android app developed by Shyam Barange that allows users to view 3D files such as OBJ, STL, and DAE within their mobile device. The app is optimized for mobile devices to provide the best experience while exploring 3D models. The app loads files fast and with no issues. It also comes with some included 3D models. The formats currently supported by the app are OBJ, STL, and DAE.

The app offers a variety of features that include calculation of normals, transformations such as scaling, rotation, and translation, colors, textures, lighting, wireframe, and points mode, bounding box drawing, object selection, camera support, tap to select object, drag to move the camera, rotate with 2 fingers to rotate the camera, pinch and spread to zoom in and out the camera, skeletal animations (Collada), ray collision detection, and stereoscopic 3D.