Calibration Meter

Measure color temperature & white balance, and calibrate your display with ScreenCal — all local.

Measure color temperature and white balance with your phone, and calibrate your computer's display with the ScreenCal app — all locally, no extra hardware.

Calibration Meter measures ambient light color temperature and white balance on your phone, and also serves as the measurement companion for ScreenCal on your computer.

Measure color temperature · Point your phone at a light source to read color temperature (K) and RGB balance in real time — no computer needed · Save and review your measurement history

Calibrate your display

1. Open ScreenCal on your computer and Calibration Meter on your phone.
2. Hold your phone close to the screen — measurement starts automatically.
3. ScreenCal generates and applies an ICC color profile. Restore your original settings anytime. · Everything runs locally — camera frames never leave your phone; results travel over your local Wi-Fi · This app is an independent product and is not affiliated with Apple