# NDT Worldwide vs Eddy Current Test Prep

The clearest difference is price: NDT Worldwide at Free against Eddy Current Test Prep's $14.99. NDT Worldwide also leads on iOS requirement (15.6 vs 26.4). Eddy Current Test Prep's advantage is in-app purchases (none vs 10). On ads and device support there is nothing between them.

NDT Worldwide is free to download; Eddy Current Test Prep costs $14.99 up front. NDT Worldwide sells 10 one-off in-app purchases. Eddy Current Test Prep asks for nothing beyond the download.

## The numbers

| Metric | NDT Worldwide | Eddy Current Test Prep |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 16 months | — |
| Size | 265 MB | 2 MB |
| Requires iOS | **15.6** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [WWNDT SERVICES PRIVATE LIMITED](https://appshunter.io/developer/1570208273) | [Skaggs Media LLC](https://appshunter.io/developer/1836684180) |

## What reviewers say

### NDT Worldwide

[App page](https://appshunter.io/ios/app/ndt-worldwide/id1607234047)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ASTM E165 | $44.99 | one-time |
| ASTM E2582 | $44.99 | one-time |
| ASTM E2375 | $54.99 | one-time |
| ASTM E709 | $54.99 | one-time |
| ASTM E2375 | $69.99 | one-time |
| ASNT MT Level III Examination | $219.99 | one-time |
| ASNT NDT Level III-BASIC | $299.99 | one-time |
| ASNT UT Level III Examination | $299.99 | one-time |
| ASNT ML Level III Examination | $399.99 | one-time |
| ASNT NDT Level III BASIC | $449.99 | one-time |


### Eddy Current Test Prep

[App page](https://appshunter.io/ios/app/eddy-current-test-prep/id6762102863)

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

**In-app purchases:** none


## Frequently asked questions

### Is NDT Worldwide free?

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

### Is Eddy Current Test Prep free?

Eddy Current Test Prep costs $14.99, with no in-app purchases.

### Do NDT Worldwide or Eddy Current Test Prep have ads?

Neither NDT Worldwide nor Eddy Current Test Prep 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.*