kelvin light scale
Light Meter, Lux & Color Temp
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
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/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Asaru Labs LTD, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- ASARU LABS LTD
- Size
- 17.5 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Pro Version $14.99
- Pro Version $3.99
- Pro Version $1.49
- Pro Version $25.99
- Copyright
- © 2026 Asaru Labs LTD