# flameeye vs LIGHTmetric ONE App

The clearest difference is update cadence: flameeye at every 3 weeks against LIGHTmetric ONE App's every 5 months. flameeye also leads on iOS requirement (12.0 vs 16.0). 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.

flameeye ships an update every 3 weeks, LIGHTmetric ONE App every 5 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | flameeye | LIGHTmetric ONE App |
| --- | --- | --- |
| 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 3 weeks** | Every 5 months |
| Monetization | Free | — |
| Size | 38 MB | 5 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [盗火者光电(杭州)有限公司](https://appshunter.io/developer/1725248359) | [Gigahertz Optik GmbH](https://appshunter.io/developer/1745074329) |

## 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


### LIGHTmetric ONE App

[App page](https://appshunter.io/ios/app/lightmetric-one-app/id6502341060)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is flameeye free?

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

### Is LIGHTmetric ONE App free?

LIGHTmetric ONE App is free to download, with no in-app purchases.

### Do flameeye or LIGHTmetric ONE App have ads?

Neither flameeye nor LIGHTmetric ONE App shows ads.

### Which is updated more often, flameeye or LIGHTmetric ONE App?

flameeye ships an update every 3 weeks, and LIGHTmetric ONE App every 5 months. Most recently, flameeye was updated on October 24, 2026 and LIGHTmetric ONE App on October 19, 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.*