Colorblind Vision is described as 'Transform your iPhone into a real-time color blindness vision device. 30 FPS video!' and is an app in the Education & Reference category. There are three alternatives to Colorblind Vision for Android, Google Chrome, Mac and Windows. The best alternative is Sim Daltonism, which is both free and Open Source. Other great apps like Colorblind Vision are Vision (Freemium) and Color Blind Vision (Freemium).