App Description


Quick Sketch in Red and Black with Voice Control
BONUS: you can teach kids to draw and write too

Quickily sketch your idea without distractions. Use only two colors (Red and Black) with a marker felt effect.

Voice control allows you to switch colors, eraser, and perform other actions.

Save to camera roll or share by e-mail, facebook, etc.

RnBSketch is perfect for drawing App mockups too.

Red n Black Sketch Note for Thinkers uses the CMU Pocketsphinx library, the CMU Flite library, the CMU CMUCMLTK library ( and Politepix’s OpenEars (

App Screen Shots

(click to enlarge)

App Changes

April 13, 2013 Price Decrease: $2.99 -> $0.99
January 18, 2013 Price Decrease: $4.99 -> $2.99
January 14, 2013 Initial Release

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