Drawing tools include Glow Pen, Hot Pen, Light Spheres, and more. Tip: Use the Smear tool on a photo or drawing to achieve immensely cool flame art (seriously, try it!). • GRITTY PAPER/CANVAS TEXTURES • Having a paper/canvas texture interacting in real-time with the drawing tools will give your artwork a satisfying, gritty look. You can remove or change the default-generated texture to something else. • UNIVERSAL PURCHASE • If you choose to buy the Pro upgrade, this one-time in-app purchase will unlock all Pro features in the app on all available platforms (iPad-iPhone-Mac)! • METAL • The engine is based on Metal, with 128-bit color and floating-point arithmetic. • SWIFT • The app was developed entirely using Swift (earlier versions used C++). • FINGERTIP = STROKE SIZE • CHANGE SIZE/FORCE/COLOR WHILE DRAWING • • APPLE PENCIL SUPPORT • FULL SCREEN DRAWING • SEAMLESS PATTERN EDITING MODE • • DARK MODE • LANDSCAPE • PORTRAIT • WIDE COLOR • • MULTIPLE LAYERS • PHOTO TRACING MODE (Pro feature) •