Überdoodle is a nostalgic spiral drawing tool reminiscent of the classic spirograph toy. Perfect for all ages, it offers a variety of colorful gears, rings, and pencils, including a magical rainbow pen. With an endless virtual paper supply, create intricate patterns using gears or freehand drawing with your finger. Share your creations with friends and family or set them as wallpapers on your Apple devices.

The app features a Gear Factory for custom gear creation, various drawing modes like calligraphy pen and multicolor gradients, support for Apple Pencil with angle adjustments, import photos, multiple paper types and background colors, undo/redo functions, and adjustable gear and ring sizes.