# Inspectors Path vs NDT Cert Study

Inspectors Path and NDT Cert Study are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Inspectors Path sells 10 in-app purchases, starting at $30.00 per month and NDT Cert Study sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Inspectors Path ships an update fortnightly, NDT Cert Study every 3 weeks. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Inspectors Path | NDT Cert Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 56 MB | 35 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Inspectors Path llc](https://appshunter.io/developer/1889091025) | [Simon Shih](https://appshunter.io/developer/1870707682) |

## What reviewers say

### Inspectors Path

[App page](https://appshunter.io/ios/app/inspectors-path/id6761355078)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan 1 Months | $30.00 | per month |
| API 1184 Exam - 1 Month | $24.99 | one-time |
| API 1169 Exam - 1 Month | $24.99 | one-time |
| API 510 Exam - 1 Month | $24.99 | one-time |
| API 936 Exam - 1 Month | $24.99 | one-time |
| API 570 Exam - 1 Month | $24.99 | one-time |
| SIRE Exam - 1 Month | $24.99 | one-time |
| API 653 Exam - 1 Month | $24.99 | one-time |
| SIFE Exam - 1 Month | $24.99 | one-time |
| SIEE Exam - 1 Month | $24.99 | one-time |


### NDT Cert Study

[App page](https://appshunter.io/ios/app/ndt-cert-study/id6785204471)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CGSB / MT Level II | $9.99 | one-time |
| CGSB / MT Level I | $9.99 | one-time |
| CGSB / RT Level I | $9.99 | one-time |
| CGSB / PT Level II | $9.99 | one-time |
| CGSB / PT Level I | $9.99 | one-time |
| CGSB / RT Level II | $9.99 | one-time |
| CGSB / UT Level II | $9.99 | one-time |
| CGSB / UT Level I | $9.99 | one-time |
| CGSB / PAUT Level I | $9.99 | one-time |
| CGSB / PAUT Level II | $9.99 | one-time |


## Frequently asked questions

### Is Inspectors Path free?

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

### Is NDT Cert Study free?

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

### Do Inspectors Path or NDT Cert Study have ads?

Neither Inspectors Path nor NDT Cert Study shows ads.

### Which is updated more often, Inspectors Path or NDT Cert Study?

Inspectors Path ships an update fortnightly, and NDT Cert Study every 3 weeks. Most recently, Inspectors Path was updated on October 31, 2026 and NDT Cert Study on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*