# flameeye vs Spectroscope

The clearest difference is price: flameeye at Free against Spectroscope's $14.99. flameeye also leads on iOS requirement (12.0 vs 15.0). Spectroscope's advantage is update cadence (every 5 days vs every 3 weeks) and chart position (#195 vs unranked). On ads, in-app purchases and device support there is nothing between them.

flameeye is free to download; Spectroscope costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

flameeye ships an update every 3 weeks, Spectroscope every 5 days. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | flameeye | Spectroscope |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flameeye/id6475804749/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | — |
| Best chart rank | — | **#195** |
| Size | 38 MB | 25 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [盗火者光电(杭州)有限公司](https://appshunter.io/developer/1725248359) | [LEONARDO TAZZINI](https://appshunter.io/developer/1751785749) |

## What reviewers say

### 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


### Spectroscope

[App page](https://appshunter.io/ios/app/spectroscope/id6741684078)

**Currently charting:** #195 Top Paid · Utilities (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is flameeye free?

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

### Is Spectroscope free?

Spectroscope costs $14.99, with no in-app purchases.

### Do flameeye or Spectroscope have ads?

Neither flameeye nor Spectroscope shows ads.

### Which is updated more often, flameeye or Spectroscope?

flameeye ships an update every 3 weeks, and Spectroscope every 5 days. Most recently, flameeye was updated on June 1, 2026 and Spectroscope on September 9, 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.*