# NDT Calculator vs Material Numbers

The clearest difference is price: Material Numbers at Free against NDT Calculator's $8.99. NDT Calculator's advantage is chart position (#184 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Material Numbers is free to download; NDT Calculator costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | NDT Calculator | Material Numbers |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/ndt-calculator/id1619728752/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Monetization | Paid | — |
| Best chart rank | **#184** | — |
| Size | 18 MB | 14 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kenneth Black](https://appshunter.io/developer/1619728754) | [ASMEIX CORPORATION](https://appshunter.io/developer/911716652) |

## What reviewers say

### NDT Calculator

[App page](https://appshunter.io/ios/app/ndt-calculator/id1619728752)

**Currently charting:** #184 Top Paid · Productivity (US App Store)

This application serves as a calculator for ultrasonic formulas. It provides essential tools for professionals working with ultrasonic testing methods.

**Highlights:** Ultrasonic formula calculations, Specialized for NDT professionals, Simple and direct interface

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

**In-app purchases:** none


### Material Numbers

[App page](https://appshunter.io/ios/app/material-numbers/id6503355283)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NDT Calculator free?

NDT Calculator costs $8.99, with no in-app purchases.

### Is Material Numbers free?

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

### Do NDT Calculator or Material Numbers have ads?

Neither NDT Calculator nor Material Numbers 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.*