I've used Sim Daltonism[0] for some stuff at work. I've only used the Mac version, but looks like there is an iOS version, as well. [0] https://michelf.ca/proj

I've used Sim Daltonism[0] for some stuff at work. I've only used the Mac version, but looks like there is an iOS version, as well. [0] https://michelf.ca/projects/sim-daltonism/ https://michelf.ca/projects/sim-daltonism/