In addition to being fun, these Beach Coloring Sheets are also a great way to relieve stress and anxiety. When you're feeling stressed, take a few minutes to color in a beach scene. The calming ...

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 ...