Apps like ArgyllPRO ColorMeterDemo

Here are some great alternatives to ArgyllPRO ColorMeterDemo by Computer Graphics Technology P.L. :
ColorMeter - color picker RGB
ColorMeter - color picker RGB
★4.1
ColorMeter camera color picker
ColorMeter camera color picker
★4.6
LxMeter
LxMeter
★4.0
Angle Meter 360
Angle Meter 360
★4.1
Light Meter - Lux, Exposure
Light Meter - Lux, Exposure
★4.6
Measuring Center
Measuring Center
★3.5
Smart Ruler
Smart Ruler
★3.5
Smart Luxmeter
Smart Luxmeter
★4.5
Color Analysis
Color Analysis
★3.7
Display Calibration
Display Calibration
★4.1
LightMeter
LightMeter
★4.3
Color Meter - RGB HSL CMYK RYB
Color Meter - RGB HSL CMYK RYB
★4.0
Measure X - All-in-1 Toolbox
Measure X - All-in-1 Toolbox
★4.1
Epson Spectrometer
Epson Spectrometer
★5.0
PosiTector
PosiTector
★3.4
USB Accessory Oscilloscope
USB Accessory Oscilloscope
★3.3