'Color by numbers' apps are dominating the App Store right now

Business Insider 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 month. But most users are adults — the average user age of color-by-numbers apps is around 30. Coloring apps are having a moment. Of the top free apps in the App Store right now, four of the top 25 are coloring apps — including the No. 3 app in the App Store, called Color by Number...