# Epson Spectrometer vs flameeye

The clearest difference is update cadence: flameeye at every 3 weeks against Epson Spectrometer's every 3 months. flameeye also leads on iOS requirement (12.0 vs 16.0). Epson Spectrometer's advantage is ratings volume (4 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Epson Spectrometer against 5.0 for flameeye. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Epson Spectrometer ships an update every 3 months, flameeye every 3 weeks. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Epson Spectrometer | flameeye |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/epson-spectrometer/id1558626654/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/flameeye/id6475804749/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 57 MB | 38 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seiko Epson Corporation](https://appshunter.io/developer/326876195) | [盗火者光电(杭州)有限公司](https://appshunter.io/developer/1725248359) |

## What reviewers say

### Epson Spectrometer

[App page](https://appshunter.io/ios/app/epson-spectrometer/id1558626654)

This utility app enables precise color measurement of indoor and outdoor materials using a compatible spectrophotometer. It allows users to manage, compare, and adjust colors, and even check printer color reproduction capabilities.

**Highlights:** Portable color measurement, Import measurement data via Bluetooth, Manage colors as reference colors, Compare colors to Color Collections, Check printer color reproduction, Adjust color measurements, Create custom Color Collections

**Features:** Vision Pro support

**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 Epson Spectrometer free?

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

### Is flameeye free?

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

### Which has better reviews, Epson Spectrometer or flameeye?

Epson Spectrometer and flameeye are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do Epson Spectrometer or flameeye have ads?

Neither Epson Spectrometer nor flameeye shows ads.

### Which is updated more often, Epson Spectrometer or flameeye?

Epson Spectrometer ships an update every 3 months, and flameeye every 3 weeks. Most recently, Epson Spectrometer was updated on October 14, 2026 and flameeye on October 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.*