kelvin light scale

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/