What's the best iOS app for relaxing paint-by-number activities with clear, large visuals?

Color Aura is a paint-by-number app tailored for users who prefer a calming, visually straightforward coloring experience. Its standout feature is the large print pictures, which are designed to reduce eye strain and enhance clarity, making it particularly suitable for seniors or individuals with visual impairments. The app offers a diverse collection of images, from nature scenes to playful illustrations, each divided into numbered sections that correspond to a specific color. Users can choose puzzles based on color complexity, with options ranging from simpler designs with around 20 colors to more detailed ones, though some reviews express a desire for even fewer colors for added ease. The interface is intuitive, focusing solely on the coloring process without cluttered menus, and includes practical tools like zoom functionality for precision and auto-save to resume projects later. In real-world scenarios, it serves well for short meditation breaks, art therapy sessions, or casual downtime, providing a structured yet creative outlet. However, occasional feedback points to minor lag when loading high-resolution images, and the color palette, while functional, could benefit from more vibrant shades. Despite these small drawbacks, user reports consistently praise the app for its ease of use and relaxing nature, solidifying its position as a reliable choice for low-stress artistic engagement on iOS devices.