Glasses by Warby Parker cleverly using the iPhone’s camera to take maps of people’s faces, and use that data to recommend styles of glasses that will best fit your face. It’s a step beyond the digital try on system the company has previously offered, where it would try to place a virtual pair of glasses on a picture to let you see how it looks.
This app includes several examples of 3D math objects that you can place on your table, floor or any flat surface around you. Guided activities lead you to discover math in the real world by taking screenshots from different perspectives.