InColor
7.8#2 in coloring appsFrom $29.99 a yearFree planAndroidiOSmacOS
VisitInColor suits people who want guided coloring pages, image-to-line-art tools, or a blank canvas for drawing. It also offers a community for users who want to share art and join themed challenges.
Numicolor suits adults and children looking for a browser-based color-by-number game on a smartphone, tablet, or computer. It is also a fit for players who want themed images, difficulty filters, and several modes.