Light temperature does not work 3/2023. Calibrated with new costly 3K Philips LED and it got the temperature correct when calibrating but hard to read because of glare (only display side sensor is used). Even after "calibration", however, the main display simply says the temperature is "N/A" -- making the app not particularly useful for mapping mixed source lit areas. Definitely not "Pro" quality if you are lighting merchandise or art.
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Light brightness (LUX or LUMENS) and Light Temperature (Frequency) readings match an older light meter I used for film photography. The accuracy of the app depends on the phone used. On my Pixel 3a it stunk. With my Samsung Galaxy it was very accurate. Great app. Light temperature is not a reading of heat, its a reading of frequency. This not a Spot meter. If you want a spot meter buy an old Weston Spot Meter.
54 people found this review helpful
A Google user
Decent app. Nice UI. Two issues. 1) Meter uses front-facing camera. Need to be able to use rear camera so phone can be aimed at light source while being able to see the screen. 2) Color temperature is off by a factor of 10 - example, 5000K daylight is displaying as 500K. Need to add a zero at the end.
59 people found this review helpful