# LScolor vs Light Spectrometer Wavelength

The clearest difference is in-app purchases: LScolor at none against Light Spectrometer Wavelength's 7. LScolor also leads on iOS requirement (12.0 vs 15.0). Light Spectrometer Wavelength's advantage is review sentiment (73% vs 50%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Light Spectrometer Wavelength sells 4 in-app purchases, starting at $0.99 per month. LScolor asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | LScolor | Light Spectrometer Wavelength |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (96 ratings)](https://appshunter.io/ios/app/light-spectrometer-wavelength/id6450930820/reviews)** |
| Number of ratings | — | **96** |
| Positive reviews | 50.0% of reviews | **72.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 31 MB | 43 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Linshang Technology Co., Ltd.](https://appshunter.io/developer/1546040319) | [Contechity AB](https://appshunter.io/developer/1649290454) |

## What reviewers say

### LScolor

[App page](https://appshunter.io/ios/app/lscolor/id1546040317)

Connect to a color measuring instrument via Bluetooth for accurate color readings and instrument calibration. Quickly match measured colors to digital color charts and share them easily. Offers multiple color spaces and data import/export for seamless sharing and QC testing with adjustable color difference thresholds.

**Highlights:** Bluetooth instrument connection, Color measurement and calibration, Digital color chart matching, Color data sharing, Multiple color spaces, Color data import/export, Color difference comparison and QC testing

**Features:** macOS Compatibility

**In-app purchases:** none


### Light Spectrometer Wavelength

[App page](https://appshunter.io/ios/app/light-spectrometer-wavelength/id6450930820)

This application analyzes light to determine its dominant wavelength in nanometers, frequency in terahertz, and period length in femtoseconds. It provides real-time measurements and allows users to save their findings with notes. The app is designed for measuring colored light sources.

**Highlights:** Measures dominant wavelength (nm), Measures frequency (THz), Measures period length (fs), Real-time measurement, Save measurements with notes, Optional calibration

**Features:** Vision Pro support

**In-app purchases (4)**

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


## Frequently asked questions

### Is LScolor free?

LScolor is free to download, with no in-app purchases.

### Is Light Spectrometer Wavelength free?

Light Spectrometer Wavelength is free to download, with in-app purchases available.

### Do LScolor or Light Spectrometer Wavelength have ads?

Neither LScolor nor Light Spectrometer Wavelength shows ads.

### Which is updated more often, LScolor or Light Spectrometer Wavelength?

LScolor ships an update every 2 months, and Light Spectrometer Wavelength every 2 months. Most recently, LScolor was updated on October 15, 2026 and Light Spectrometer Wavelength on October 24, 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.*