# XSpecApp vs GHZ state

The clearest difference is in-app purchases: GHZ state at none against XSpecApp's 1. XSpecApp's advantage is iOS requirement (8.0 vs 16). On price, ads and device support there is nothing between them.

Both are free to download. XSpecApp sells 1 one-off in-app purchase. GHZ state asks for nothing beyond the download.

## The numbers

| Metric | XSpecApp | GHZ state |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/xspecapp/id1666746288/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 6 MB |
| Requires iOS | **8.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brian Cross, XRF Consulting, LLC](https://appshunter.io/developer/1666746290) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### XSpecApp

[App page](https://appshunter.io/ios/app/xspecapp/id1666746288)

This application displays EDXRF spectra, allowing users to manually identify elements, calculate ROIs, and add annotations. It supports saving, loading, and printing spectra with detailed information. The app can also acquire spectra using a digital pulse processor via USB, Serial, or wireless connections.

**Highlights:** Manual element identification, ROI calculation for peaks, Spectrum annotations, Spectrum printing with ROIs, Save and load spectra, Acquire spectra via digital pulse processor

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| XSpecApp | $24.99 | one-time |


### GHZ state

[App page](https://appshunter.io/ios/app/ghz-state/id6743487296)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is XSpecApp free?

XSpecApp is free to download, with in-app purchases available.

### Is GHZ state free?

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

### Do XSpecApp or GHZ state have ads?

Neither XSpecApp nor GHZ state shows ads.

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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.*