LightSpectrum Pro

Name: LightSpectrum Pro
Price: 1.99 USD
Rating: 4.1 (39 reviews)
Author: AM PowerSoftware

By: AM PowerSoftware

Utilities

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Features & Capabilities

With LightSpectrumPro EVO you can measure the color temperature of a light source without having to spend hundreds of dollars on professional devices. LightSpectrumPro EVO has an error of 2 - 8% compared to existing professional products on the market. in addition to the color temperature measurement in Kelvin, LightSpectrumPro EVO allows you to view the color spectrum of the light being examined with a band ranging from 360nm to 800nm. in addition to the spectrum it is possible to display the position of the white point on the CIE 1931 diagram and to apply a filter for wavelengths to display in overlay on the image captured by the cameras which elements reflect a specific frequency and with what intensity.

User Growth & Download Statistics

App

By:

AM PowerSoftware

Rating:

4.10

(39)

Version:

4.3.1 Last updated: 2023-02-12

Version code:

854909813

Creation date:

2011-10-03

Compatible devices:

Size:

88.00MB

Price:

1.99

URLs:

Website ,Privacy policy

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-06-04

Compare stats and ranking:

Ranking

# 224,296 ▼ 434

For Developers

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Contact the developer

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Developed by:

AM PowerSoftware

Apple Apps Store

https://apps.apple.com/us/app/lightspectrum-pro/id468368751

Website:

http://www.ampowersoftware.it/lightspectrum-pro/

User Reviews

LightSpectrum Pro is a budget tool that helps photographers gauge color temperature and analyze light using an iPhone camera. Pros include affordability, white-balance assistance, and a spectral view without extra hardware. However, readings are approximate (not a true spectrum) and accuracy varies across light sources and devices. Some models (notably iPhone X) report camera/focusing issues, reducing reliability. Use as a practical guide for photography/filmmaking, not as a replacement for professional, scientific meters.

Pros

Inexpensive substitute for expensive color meters; it costs only a few dollars and can save money.
Helps achieve correct white balance quickly in photography/film, improving in-camera WB.
Provides a spectral/graph view of the light, aiding understanding of color sources beyond just Kelvin readings.
No external hardware required; portable and accessible on an iPhone with no extra purchases.
Generally useful for practical photography/film work across many lighting conditions (often within about 100–200K).

Cons

Not a true spectrometer: readings are approximate because the iPhone camera has only RGB sensors and cannot capture a full spectrum.
Accuracy varies by light source and range; LEDs and low/high Kelvin lights can be misread (e.g., 2700K read as 3000K, 2000K read as 2700K).
Device compatibility issues: some devices (notably iPhone X) show camera/focusing problems and readings may not update consistently.
Occasional reliability issues on certain devices (readings not changing with movement or failing to update).
Not suitable for scientific measurements; better as a practical aid than a precise instrument.

Recent reviews

For photography white balance, I aim this at my light source, take a kelvin reading, enter it into my camera and viola!, perfect white balance, no need for cards nor discs…I photograph models and get them into magazines.

by Ye*****, 2026-02-13

Just got this app and held it under our Halogen and LED lights and our LED grow-light. This app is sensitive: the grow light has rows of different color LED and as I moved my iPhone the data changed with small moves. I think it will work great. And I love that there are no (that I’ve discovered) additional in-app purchases like so many apps have nowadays.

by Sa*****, 2025-01-18

I have some LEDs where I know the wavelengths, and under some combination lighting conditions the app is super inaccurate—but under lots of conditions (including combination ones) it’s very accurate. Useful tool, overall. I wish they would fix the inaccuracies but I’m still glad I have this app; there’s no other app that has a full spectrogram right now.