# ISC NIRScan vs Demetria Match

The clearest difference is update cadence: Demetria Match at every 3 weeks against ISC NIRScan's every 2 months. ISC NIRScan's advantage is iOS requirement (12.0 vs 15.1). 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.

ISC NIRScan ships an update every 2 months, Demetria Match every 3 weeks. The most recent releases landed on September 15, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | ISC NIRScan | Demetria Match |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 38 MB | 42 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [He Yi Hsieh](https://appshunter.io/developer/1081259026) | [Demetria Inc.](https://appshunter.io/developer/1518621685) |

## What reviewers say

### ISC NIRScan

[App page](https://appshunter.io/ios/app/isc-nirscan/id1414155482)

**Features:** macOS Compatibility

**In-app purchases:** none


### Demetria Match

[App page](https://appshunter.io/ios/app/demetria-match/id1518621686)

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

**In-app purchases:** none


## Frequently asked questions

### Is ISC NIRScan free?

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

### Is Demetria Match free?

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

### Do ISC NIRScan or Demetria Match have ads?

Neither ISC NIRScan nor Demetria Match shows ads.

### Which is updated more often, ISC NIRScan or Demetria Match?

ISC NIRScan ships an update every 2 months, and Demetria Match every 3 weeks. Most recently, ISC NIRScan was updated on September 15, 2026 and Demetria Match on September 14, 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.*