I think this is just a thin wrapper around GPT-4 or similar? Parents I know have replaced colouring books by just asking GPT-4 , and the colouring pages it generates look exactly like the example outputs here.
Those coloring books are generated by text prompting. Here we let you create coloring pages from your own photos. Related but different.
We do not use the data for other purpose.
This is a good suggestion. We will definitely think about how to design the UI to satisfy both.