# LightSpectrum Pro vs Flicker Meter for Light

The clearest difference is price: Flicker Meter for Light at Free against LightSpectrum Pro's $1.99. Flicker Meter for Light also leads on rating (4.6 vs 4.1) and review sentiment (62% vs 28%). LightSpectrum Pro's advantage is in-app purchases (none vs 4) and chart position (#70 vs unranked). On ratings volume, update cadence, ads and device support there is nothing between them.

Flicker Meter for Light is free to download; LightSpectrum Pro costs $1.99 up front. Flicker Meter for Light sells 4 in-app purchases, starting at $0.99 per month. LightSpectrum Pro asks for nothing beyond the download.

Flicker Meter for Light holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 39 and 48 respectively. Written reviews point the same way: 28% of LightSpectrum Pro's written reviews are positive against 62% of Flicker Meter for Light's.

LightSpectrum Pro ships an update every 3 months, Flicker Meter for Light every 2 months. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | LightSpectrum Pro | Flicker Meter for Light |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.1 (39 ratings)](https://appshunter.io/ios/app/lightspectrum-pro/id468368751/reviews) | **[4.6 (48 ratings)](https://appshunter.io/ios/app/flicker-meter-for-light-pwm/id1672848632/reviews)** |
| Number of ratings | 39 | **48** |
| Positive reviews | 28.5% of reviews | **62.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#70** | — |
| Size | 88 MB | 43 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AM PowerSoftware](https://appshunter.io/developer/303958914) | [Contechity AB](https://appshunter.io/developer/1649290454) |

## What reviewers say

### LightSpectrum Pro

[App page](https://appshunter.io/ios/app/lightspectrum-pro/id468368751)

**Currently charting:** #70 Top Paid · Utilities (US App Store)

Measure light source color temperature and spectrum accurately without expensive equipment. View the color spectrum from 360nm to 800nm, and analyze the white point on the CIE 1931 diagram. Overlay filtered wavelengths on camera images to see frequency reflections and intensity.

**Highlights:** Color temperature measurement, Color spectrum analysis (360nm-800nm), CIE 1931 white point display, Wavelength filtering and overlay, High accuracy compared to professional devices

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 📸 Accurate white balance measurement for photography
- 💡 Innovative spectrum analysis without expensive equipment
- 💰 Affordable alternative to $1,600+ professional color meters
- 📊 Detailed spectral graph visualization
- 🎯 Useful for photographers, videographers, and lighting professionals

**What reviewers complain about**

- 🐛 Frequent crashes and freezing issues
- 📱 Incompatible with many iPhone models (iPhone 5, 5S, 6, 6+, 11, X)
- ❌ Camera access problems on multiple devices
- 🎨 Inaccurate readings for certain light types (LEDs, low color temps)
- 🖥️ Poor UI scaling on larger screens (iPhone 6+, iPad)

**Reported bugs**

- App crashes on startup or during use
- Camera feed not accessible or showing red X icon
- Screen blinking/flashing on first launch
- UI elements cut off on larger screens
- Buttons unresponsive or sticky

**Requested features**

- Spot metering with crosshairs or target reticle
- Direct DUV (Delta uv) display calculation
- Flicker detection for light sources
- Calibration function for improved accuracy
- Support for fluorescent light preset adjustments


### Flicker Meter for Light

[App page](https://appshunter.io/ios/app/flicker-meter-for-light-pwm/id1672848632)

Detect and measure invisible high-frequency flickering in LED lights and screens that can cause eye strain and headaches. Find flicker-free alternatives to improve your comfort and health.

**Highlights:** Detect invisible high-frequency flickering, Measure flicker intensity (%), Measure flicker frequency (Hz), Identify flicker-free light sources, Easy-to-use interface, Instant results

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full access | $0.99 | per month |
| Full access | $4.99 | per year |
| Full access | $6.99 | one-time |
| Full access | $9.99 | one-time |


## Frequently asked questions

### Is LightSpectrum Pro free?

LightSpectrum Pro costs $1.99, with no in-app purchases.

### Is Flicker Meter for Light free?

Flicker Meter for Light is free to download, with in-app purchases available.

### Which has better reviews, LightSpectrum Pro or Flicker Meter for Light?

Flicker Meter for Light is rated higher. LightSpectrum Pro averages 4.1 out of 5 from 39 ratings, while Flicker Meter for Light averages 4.6 from 48 ratings.

### Do LightSpectrum Pro or Flicker Meter for Light have ads?

Neither LightSpectrum Pro nor Flicker Meter for Light shows ads.

### Which is updated more often, LightSpectrum Pro or Flicker Meter for Light?

LightSpectrum Pro ships an update every 3 months, and Flicker Meter for Light every 2 months. Most recently, LightSpectrum Pro was updated on October 14, 2026 and Flicker Meter for Light on October 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*