# NDT X vs Track Zone

The clearest difference is update cadence: NDT X at every 2 weeks against Track Zone's monthly. NDT X also leads on iOS requirement (13.0 vs 15.6). 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.

NDT X ships an update every 2 weeks, Track Zone monthly. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | NDT X | Track Zone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ndt-x-ray-toolbox/id1291387260/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | — |
| Size | 83 MB | 77 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Visiconsult X-ray Systems & Solutions GmbH](https://appshunter.io/developer/1291387259) | [Faros Tracking](https://appshunter.io/developer/1321916244) |

## What reviewers say

### NDT X

[App page](https://appshunter.io/ios/app/ndt-x-ray-toolbox/id1291387260)

This app provides essential tools for x-ray calculations, including geometric and CT calculations, image viewing, and quality control. It offers explanations for formulas and supports common detectors for easier use.

**Highlights:** TIFF and DICONDE image viewer, Geometric calculations, X-ray standards support, Image quality control, CT calculations, Formula explanations, Detector selection tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Track Zone

[App page](https://appshunter.io/ios/app/track-zone/id6756253979)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NDT X free?

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

### Is Track Zone free?

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

### Do NDT X or Track Zone have ads?

Neither NDT X nor Track Zone shows ads.

### Which is updated more often, NDT X or Track Zone?

NDT X ships an update every 2 weeks, and Track Zone monthly. Most recently, NDT X was updated on October 14, 2026 and Track Zone on October 12, 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.*