Color-by-numbers apps are really popular on the App Store right now, with four different apps rising to the top of the free apps chart. The apps have a combined 3.2 million downloads over the past ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Coloring apps — which let ...

Kids love playing games on smartphones and tablets, and having one of the best coloring app for kids makes it so much more fun. But what if you encouraged them to have fun while also hone their ...