Jera Design

Jera Design specializes in making computer vision apps for iPhone.

ResistorVision IconResistorVision

ResistorVision instantly tells you the value of any standard beige color-banded resistor just by looking at it.

WristVision IconWristVision for Pebble smartwatch

WristVision lets your Pebble see what your iPhone sees.  Plus control your Motrr Galileo motion base with your Pebble.


MultiTimer lets you have multiple simultaneous countdown timers on the iPhone or iPod Touch.


Suggestifier is an app that provides suggestions for improv practice.

CVFunhouse Web Icon SmallCVFunhouse

CVFunhouse is a framework for iOS developers that makes the  cross-platform OpenCV computer vision library easier to use.

John Brewer’s Blog

Technical info and development news.