ChromaPure vs PsyCalibrator
ChromaPure
chromapure.co.ukPsyCalibrator
github.comSide by side
| Figure | ChromaPure | PsyCalibrator |
|---|---|---|
| Price from | — | Free |
| Free plan | — | Yes |
| Free trial | — | — |
| Open source | — | — |
| Windows | Yes | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| Plans published | 5 | 1 |
| Spec score · Display Calibration Software | 7.6 (#11) | 7.5 (#15) |
| Measurement | The software includes modules for grayscale, gamma, white balance, color gamut, color management, contrast, and screen uniformity. | It uses Spyder5, SpyderX, or SpyderX2 hardware to measure luminance and color and returns CIE 1931 xyY coordinates. |
| Purpose | ChromaPure works with test patterns and a colorimeter to calibrate video displays toward industry standards. | PsyCalibrator is an open-source package for display gamma calibration and luminance and color measurement. |
Plans
ChromaPure
- Auto-Calibrate Add-On$134, paid once
- ChromaPure 3 Standard$180, paid once
- Advanced Auto-Calibrate Add-On$204, paid once
- ChromaPure 3 Plus$260, paid once
- ChromaPure 3 Pro$999, paid once
In their own words
ChromaPure
ChromaPure has no write-up on Specifiction yet; its figures are above.
PsyCalibrator
PsyCalibrator is a free, open-source package for measuring display luminance and color and calibrating gamma. It uses a Spyder5, SpyderX, or SpyderX2 instrument and returns measurements as CIE 1931 xyY coordinates. Its correction workflow adjusts the relationship between RGB intensity and luminance to be linear, for grayscale or individual color channels. The fitting process incorporates Mcalibrator2 and uses cubic spline interpolation as its main method. Users can apply correction through a color lookup table and restore the display to its uncorrected state. PsyCalibrator supports Windows, macOS, and Linux and includes multi-monitor calibration. Its research workflow requires MATLAB or GNU Octave, Psychtoolbox, and a supported Spyder instrument. The tutorial says Windows users need a photometer driver; Linux and Mac users do not. SpyderX and SpyderX2 can use built-in Windows 10 or 11 drivers with Psychtoolbox 3.0.19 or later. For more accurate measurements, the tutorial recommends keeping ambient light steady and using a sensor area smaller than the target stimulus.