Color Therapy Coloring Number positions itself as a digital art therapy platform designed for adult users seeking mindfulness and stress relief through structured coloring activities. Developed by Miinu Limited, the application leverages the growing market of mental wellness apps by combining traditional coloring book concepts with digital convenience and social connectivity features. With a 4.56-star rating on iOS platforms, the app claims millions of active users who utilize it for daily relaxation routines. The application's core functionality revolves around numbered coloring templates where users match colors to numbered sections, creating intricate artworks without requiring artistic skill. The library contains thousands of designs categorized by difficulty, theme, and therapeutic purpose, ranging from mandalas and nature scenes to abstract patterns. Additional features include daily coloring challenges, progress tracking, and a color palette customization system that allows users to create and save personal color schemes. The social component enables users to share completed works within the app's community and view creations from other users worldwide. User experience centers on intuitive navigation with a clean, minimalist interface that prioritizes accessibility. The coloring mechanism employs responsive touch controls with zoom capabilities for detailed sections and an auto-fill option for larger areas. Real-world usage patterns indicate most users engage with the app during commute times, work breaks, or evening relaxation periods, with average session durations ranging from 15-30 minutes. The interface includes minimal advertisements for free users, with a premium subscription removing ads and unlocking additional content. While specific user reviews are unavailable for direct citation, the application's high rating suggests generally positive reception. Typical feedback patterns from similar applications indicate users value the structured approach to relaxation and the satisfaction of completing complex artworks. Some users of comparable apps have noted concerns about subscription pricing models and occasional technical performance issues on older devices. The application demonstrates strengths in its extensive content library and accessible design approach that requires no artistic background. Limitations include potential over-reliance on in-app purchases for premium content and the subjective nature of digital versus physical art therapy benefits. Ideal use cases include office workers seeking brief mental breaks, individuals exploring introductory mindfulness practices, and those looking for structured creative outlets without traditional art supplies.