Grinbath Releases EyeGuide™ 2.0 Featuring Real-time API and Remote Observer Station

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Company incorporates user feedback into software upgrades, allowing researchers to stream live data into preferred programs and observe tests from remote locations

Our users asked for a real time API, as well as the ability to monitor and control testing remotely, and we gave it to them, for free, with the release of EyeGuide™ 2.0.

Grinbath, the maker of EyeGuide™, the market’s most affordable eye tracker, has announced two upgrades to EyeGuide™ that provide an even more effective tool for researchers:

1. Real-time Application Programming Interface that allows EyeGuide™ researchers to push live user data to a program of their choice for concurrent or future analysis.
2. Visualize, new software now included in the complete EyeGuide™ system, which enables researchers, from any computer at any location, to watch what users see, in real time, as well as control testing.

EyeGuide™, a complete eye tracking system for under $1,500 (US), debuted earlier this year. At that time Grinbath promised that it would, based on user feedback, continue to make ongoing, free upgrades to EyeGuide™ to insure it always remains a comprehensive, reliable, and flexible eye tracking tool for the thousands of researchers and other professionals who want or need eye tracking but cannot consider more expensive solutions. EyeGuide™ 2.0 demonstrates Grinbath’s commitment to making necessary technology affordable and effective.

“Our approach, as researchers and academics, is that good feedback, especially from users, should be what drives innovation,” said Dr. Brian Still, Grinbath CEO. “Our users asked for a real time API, as well as the ability to monitor and control testing remotely, and we gave it to them, for free, with the release of EyeGuide™ 2.0.”

Real Time API

The real time Application Programming Interface (API) records user data with a programming language of your choice. As the user works, EyeGuide™’s Capture software will still work in the background to record user interaction for post-test evaluation in the Analyze software, and for many researchers that will be more than enough, especially since Analyze offers a flexible, comprehensive set of analysis tools, including heat mapping, dynamic areas of interest (or clusters), and gaze plotting.

But if researchers need to look at real time data and want user data to flow into an evaluation program outside of EyeGuide™, this real-time API will deliver

  • Frame number
  • Frames per second
  • Pupil center X
  • Pupil center y
  • Eye camera width
  • Eye camera height
  • Point-of-Gaze X
  • Point-of-Gaze Y
  • Screen width
  • Screen height
  • Pupil diameter
  • Current task number (if applicable)

Remote Observation and Control

EyeGuide™’s new Visualize software allows researchers to watch what users see, in real time. They can even control tasks, eliminating the possibility of facilitator interference during testing. Should calibration accuracy diminish, observers can see it happen and correct it instantly.

It doesn’t matter where researchers are located; as long as they can connect to the user’s testing computer, Visualize will work, providing a live presentation of the user’s gaze fixations.

Free Upgrades

Both upgrades, Visualize and the real time API, are free for current customers, and they do not raise the price of the EyeGuide™ system. For under $1,500, researchers get a complete eye tracking system that works for Macs and Windows, on any user, and in any lighting condition.

Go to to find out more about EyeGuide and watch videos of it in action. At Grinbath, we’re committed to making affordable, effective technology. And when we can make it better, we will, for free.


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Dr. Brian Still, CEO
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