# LuxSeeker vs OSpectrometer

The clearest difference is rating: LuxSeeker at 3.0 against OSpectrometer's 2.0. LuxSeeker also leads on in-app purchases (none vs 2). OSpectrometer's advantage is update cadence (every 2 weeks vs every 3 months). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. OSpectrometer sells 2 in-app purchases, starting at $2.99 per month. LuxSeeker asks for nothing beyond the download.

LuxSeeker holds the better App Store score, 3.0 against 2.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

LuxSeeker ships an update every 3 months, OSpectrometer every 2 weeks. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | LuxSeeker | OSpectrometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/luxseeker-ble-lightmeter/id1498091398/reviews)** | [2.0 (4 ratings)](https://appshunter.io/ios/app/ospectrometer/id6446124449/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 58 MB | 71 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LIDlight INC.](https://appshunter.io/developer/1498091397) | [NANO ELECTRONICS RESEARCH MUHENDISLIK ARASTIRMA GELISTIRME LIMITED SIRKETI](https://appshunter.io/developer/1674573382) |

## What reviewers say

### LuxSeeker

[App page](https://appshunter.io/ios/app/luxseeker-ble-lightmeter/id1498091398)

Measure illuminance and color temperature in real-time. Get lighting scene recommendations based on EML, lux, and CCT values. Snapshot data and share trends via CSV or PNG.

**Highlights:** Real-time illuminance (lux) measurement, Real-time color temperature (CCT) measurement, Lighting scene recommendations (EML, lux, CCT), Snapshot and share data via CSV, Trend charts shareable via PNG

**Features:** macOS Compatibility

**In-app purchases:** none


### OSpectrometer

[App page](https://appshunter.io/ios/app/ospectrometer/id6446124449)

This app uses your device's camera and screen to perform basic optical spectroscopy. Analyze the visible light spectrum of objects, map light wavelengths to RGB values, and save or share your findings. It functions offline without external hardware.

**Highlights:** Visible light spectrum analysis, RGB color value mapping, Wavelength selection and scanning, Front camera reflection sensing, Save and share results, Offline functionality

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| month | $2.99 | per month |
| year | $9.99 | per year |


## Frequently asked questions

### Is LuxSeeker free?

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

### Is OSpectrometer free?

OSpectrometer is free to download, with in-app purchases available.

### Which has better reviews, LuxSeeker or OSpectrometer?

LuxSeeker is rated higher. LuxSeeker averages 3.0 out of 5 from 2 ratings, while OSpectrometer averages 2.0 from 4 ratings.

### Do LuxSeeker or OSpectrometer have ads?

Neither LuxSeeker nor OSpectrometer shows ads.

### Which is updated more often, LuxSeeker or OSpectrometer?

LuxSeeker ships an update every 3 months, and OSpectrometer every 2 weeks. Most recently, LuxSeeker was updated on October 7, 2026 and OSpectrometer on October 15, 2026.

---

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