kelvin light scale

Measure color temperature and light instantly. Use Kelvin readings for free, and unlock calibration, tint tools, and pro light meter features anytime.

Light Meter Pro - Color Temperature & Lux Meter

Measure light instantly using your iPhone.

Light Meter Pro transforms your camera into a powerful light meter, lux meter, and color temperature analyzer, helping you understand lighting conditions in real time whether you're shooting photos, filming videos, or setting up indoor lighting.

Instant Light Measurement

Get fast and accurate readings of:

Color temperature (Kelvin) Light intensity (Lux) Exposure values (EV)

Turn your phone into a complete:

light meter lux light meter exposure meter illumination meter Understand Light Like a Pro

Whether you're working with:

light bulb 2700K warm white light bulb color different types of light bulb warmth

You’ll instantly understand how your lighting behaves.

Perfect for analyzing:

color temp light temp temperature and light balance Real-Time Guidance

Not just numbers — get actionable recommendations:

Slightly warm the white balance Tint looks neutral Adjust toward daylight

This gives you the feel of using a real professional light meter.

Advanced Pro Metrics (Optional)

Unlock deeper insights:

Tint / Duv (Green–Magenta shift) CIE x and y color coordinates Mired values for precision workflows Calibration Tools

Improve accuracy with built-in calibration:

Calibrate readings for your device Adjust measurements to real-world references Get consistent results across environments Save, Track and Export Save measurements with notes Compare lighting conditions over time Export and share results Built for Real Use Cases

Designed for:

Photographers and filmmakers Content creators Interior lighting setup Studio and product lighting

Why This App is Different:

Works instantly with no complicated setup Clean and simple interface Advanced tools available when needed

Use Kelvin readings for free. Unlock advanced tools only when you need more precision.

Privacy Policy: https://asarulabs.com/privacy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/