# LightSpectrum Pro vs Prod.Timer

The clearest difference is rating: Prod.Timer at 5.0 against LightSpectrum Pro's 4.1. Prod.Timer also leads on update cadence (every 3 weeks vs every 3 months) and price ($0.99 vs $1.99). LightSpectrum Pro's advantage is ratings volume (39 vs 1) and chart position (#110 vs unranked). On ads, in-app purchases and device support there is nothing between them.

LightSpectrum Pro costs $1.99 and Prod.Timer $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Prod.Timer holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: LightSpectrum Pro has 39 ratings behind it against 1, so its average is the more settled of the two.

LightSpectrum Pro ships an update every 3 months, Prod.Timer every 3 weeks. The most recent releases landed on September 26, 2026 and July 22, 2026 respectively.

## The numbers

| Metric | LightSpectrum Pro | Prod.Timer |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | [4.1 (39 ratings)](https://appshunter.io/ios/app/lightspectrum-pro/id468368751/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/prodtimer/id6758593243/reviews)** |
| Number of ratings | **39** | 1 |
| Positive reviews | 28.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Best chart rank | **#110** | — |
| Size | 88 MB | 13 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AM PowerSoftware](https://appshunter.io/developer/303958914) | [Benjamin Satorius](https://appshunter.io/developer/1873182249) |

## What reviewers say

### LightSpectrum Pro

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

**Currently charting:** #110 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


### Prod.Timer

[App page](https://appshunter.io/ios/app/prodtimer/id6758593243)

Manage presentations, events, and productions with a precise timing tool. Break down events into segments, receive notifications, and edit durations in real-time. Save templates for recurring events and ensure everything runs on schedule.

**Highlights:** Multi-segment event timing, Smart countdown display, Segment notifications, Easy segment controls, Save and reuse event templates, Real-time editing, Full event visibility

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is LightSpectrum Pro free?

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

### Is Prod.Timer free?

Prod.Timer costs $0.99, with no in-app purchases.

### Which has better reviews, LightSpectrum Pro or Prod.Timer?

Prod.Timer is rated higher. LightSpectrum Pro averages 4.1 out of 5 from 39 ratings, while Prod.Timer averages 5.0 from 1 ratings.

### Do LightSpectrum Pro or Prod.Timer have ads?

Neither LightSpectrum Pro nor Prod.Timer shows ads.

### Which is updated more often, LightSpectrum Pro or Prod.Timer?

LightSpectrum Pro ships an update every 3 months, and Prod.Timer every 3 weeks. Most recently, LightSpectrum Pro was updated on September 26, 2026 and Prod.Timer on July 22, 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.*