# DimeVision vs NDT Cert Study

DimeVision 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. DimeVision sells 2 in-app purchases, starting at $9.99 per month and NDT Cert Study sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

DimeVision ships an update every 5 weeks, NDT Cert Study every 2 months. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | DimeVision | NDT Cert Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dimevision/id6757089290/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 25 MB | 35 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Daniel Johnson](https://appshunter.io/developer/1851328914) | [Simon Shih](https://appshunter.io/developer/1870707682) |

## What reviewers say

### DimeVision

[App page](https://appshunter.io/ios/app/dimevision/id6757089290)

Instantly analyze weld quality with AI, decode welding blueprints, and get personalized coaching. Track your progress and access essential welding calculators to improve your skills.

**Highlights:** Instant weld analysis and scoring, AI-powered defect detection, Blueprint symbol decoding, 24/7 AI welding instructor chat, Progress tracking dashboards, Welding calculators

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Journeyman Annual | $99.99 | per year |


### NDT Cert Study

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

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 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 DimeVision free?

DimeVision 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 DimeVision or NDT Cert Study have ads?

Neither DimeVision nor NDT Cert Study shows ads.

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

DimeVision ships an update every 5 weeks, and NDT Cert Study every 2 months. Most recently, DimeVision was updated on October 20, 2026 and NDT Cert Study on October 8, 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.*