Cosmic Brush

3.4 15 Apr 2019

Doodle on a photo or paint a piece of art from scratch.


Developer website: Norbyte

Comic Brush Pro allows you to doodle on a photo or paint a piece of art from scratch. Be as creative as you want with painting tools like 3D-Shaded Brush, Halo Brush, Plasma Chain Brush, and Translucent Brush. You will also find more down-to-earth tools, including a standard brush and an eraser.

  • Full-Screen Painting:
    • Full-screen mode is fully supported.
    • In addition, you can press the Tab key to hide the toolbar.
  • Zooming and Panning:
    • Pinch (trackpad) or use keyboard shortcuts to zoom in/out.
    • To pan, drag with two fingers (trackpad), slide with one finger (Magic Mouse), or use arrow keys.
    • Double-tap with two fingers (trackpad) or press Space to reset the zoom/pan.
  • Layers:
    • The image consists of 3 transparent layers on top of each other.
    • To switch between the different layers, use the button that has what looks like a stack of papers in addition to a small symbol (e.g., a flower) of the currently selected layer.
  • Color Sets:
    • Click once on a color to select it. Click a second time to bring up a menu where you can change or adjust the color in a number of ways (this menu also features an Eyedropper tool).
    • Adjacent to the colors you will find buttons to switch between the different color sets.
    • Press a second time if you want to replace the color set with one of the default ones.
  • Popup Help:
    • For information on what a specific button does, just hover the mouse pointer above it for a few seconds and a short explanation will appear.
  • General:
    • Pinch to zoom
    • Full screen support
    • Multiple undo/redo steps
    • Seamless-pattern editing
    • Layers
    • Customizable color sets

Note: While the software is classified as free, it offers in-App Purchases.

What's New

Version 3.4:
  • Now compiled with Swift 5.
  • Temporary Palette Section: Colors are now added and removed to/from the end of the section instead of being inserted/deleted first.
  • You can now switch between three different customizable color palettes in the Palette menu (Click the palette’s "…" button).
  • Redesigned menus.
  • You can now change the size of the control knobs for the current color’s hue, saturation, brightness, in the Current Color menu, under "Customize Toolbar".
  • Some of the buttons now rearrange themselves when you move the toolbar to the other side, in order to maintain a position relative to the picture. This behavior can be switched off in the Current Color menu, under "Customize Toolbar".
  • Some optimizations.
  • Misc. other things.
  • Duplicate Picture.
  • Duplicate Layer.
  • (Pro) Rotate layer 90 degrees.
  • The palette’s "…" button is now accompanied by a "+" button, to add a new palette section.
  • (Pro) Move, a layer operation that can offset a layer’s position by x number of pixels.
  • (Pro) Layer Mover tool, to grab a layer and move its position.
  • Encyclopedia of named colors, accessible from the Current Color menu.
  • A special palette section at the end, where you can click a short or long button to bring up a short or long list of named colors. It can be switched off in the menu that comes up when you click the palette’s "…" button
  • Improved stability.
  • Misc. other issues.
  • An issue affecting the Layer Control.


  • macOS 10.14 or later


Current Version (3.x)


Version Downloads
Home Personal / Arts
15 Apr 2019
Intel 64 / OS X