ARtie: AR Drawing & Sketch is an iOS application that allows users to draw and sketch directly into augmented reality, overlaying virtual artwork onto real-world scenes through the device's camera. Developed by TenetApps, it occupies a niche in the graphics and design category, appealing to those interested in merging digital art with physical spaces. Unlike standard drawing apps, ARtie focuses on interactive, three-dimensional creation, making it suitable for both creative exploration and practical applications like prototyping or education. The app's core features include a range of drawing tools such as brushes, pencils, and markers, all customizable for size, opacity, and color. Users can anchor sketches to surfaces, adjust scale and orientation with gestures, and employ layers for complex compositions. For example, in real-world scenarios, designers might sketch furniture layouts in a room, or educators could illustrate scientific concepts in 3D for students. Export options support saving creations as images or videos, facilitating sharing on social media or use in presentations. User experience is generally intuitive, with a clean interface that minimizes clutter, though some initial practice is needed to master gesture controls for rotating and moving drawings. Performance relies heavily on device capabilities and environmental factors; on newer iPhones, tracking is smooth, but in dim lighting or with rapid movements, occasional lag or calibration issues may arise. Practical uses extend to casual doodling, artistic projects, or even collaborative sessions where multiple viewers can observe AR sketches from different angles. With a rating of 4.7 out of 5, early adopters report high satisfaction with ARtie's innovative approach and regular updates that refine functionality. Reviews indicate praise for its accessibility to beginners and the novelty of seeing drawings interact with real spaces. However, some feedback notes limitations such as battery consumption during extended use and a toolset that, while capable, may feel basic compared to advanced desktop software. These points suggest a balance between user-friendly design and professional-depth features. In assessment, ARtie stands out as a valuable tool for iOS users seeking an entry into AR drawing, offering engaging, immersive experiences without steep learning curves. Its strengths include real-time interaction and creative freedom, while weaknesses involve hardware dependencies and occasional instability. For digital artists, educators, or AR enthusiasts, it's a solid choice, though those needing intricate editing might find the app more supplementary than comprehensive.