Color4u: Adult Coloring Book

Color4u redefines adult coloring by bringing a collaborative experience to iMessage. Pick from hundreds of coloring pages, capture colors from camera or photos to create unique palettes, and color together with friends directly in your chats. Send a coloring page with a hidden message that reveals when color is added, turning messaging into a relaxing creative activity.

Features include palette sharing, drag-and-drop color capture on iPad, AR framing to place colored pages in the real world, and a Premium subscription to unlock all images, remove watermarks and ads. With 300+ free pages and categories ranging from mandalas to flowers, Color4u makes coloring social, playful, and calming.