# NSP32 nanoLambda Spectrometer vs flameeye

The clearest difference is update cadence: flameeye at every 3 weeks against NSP32 nanoLambda Spectrometer's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NSP32 nanoLambda Spectrometer ships an update every 2 months, flameeye every 3 weeks. The most recent releases landed on December 13, 2025 and October 24, 2026 respectively.

## The numbers

| Metric | NSP32 nanoLambda Spectrometer | flameeye |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (3 ratings)](https://appshunter.io/ios/app/flameeye/id6475804749/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 22 MB | 38 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [nanoLambda](https://appshunter.io/developer/1848242561) | [盗火者光电(杭州)有限公司](https://appshunter.io/developer/1725248359) |

## What reviewers say

### NSP32 nanoLambda Spectrometer

[App page](https://appshunter.io/ios/app/nsp32-nanolambda-spectrometer/id1480194984)

**Features:** macOS Compatibility

**In-app purchases:** none


### flameeye

[App page](https://appshunter.io/ios/app/flameeye/id6475804749)

This app offers advanced spectral analysis for substance detection within the 340-1070nm range. It provides scientific services in diverse environments where traditional spectrometers are impractical, with continuously updated modules via cloud services.

**Highlights:** Spectral analysis 340-1070nm, Substance detection, Cloud-based module updates, Portable scientific services, Works in diverse conditions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NSP32 nanoLambda Spectrometer free?

NSP32 nanoLambda Spectrometer is free to download, with no in-app purchases.

### Is flameeye free?

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

### Do NSP32 nanoLambda Spectrometer or flameeye have ads?

Neither NSP32 nanoLambda Spectrometer nor flameeye shows ads.

### Which is updated more often, NSP32 nanoLambda Spectrometer or flameeye?

NSP32 nanoLambda Spectrometer ships an update every 2 months, and flameeye every 3 weeks. Most recently, NSP32 nanoLambda Spectrometer was updated on December 13, 2025 and flameeye 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.*