# エックス線作業主任者 vs NDT資格対策 過去問演習

The clearest difference is in-app purchases: NDT資格対策 過去問演習 at none against エックス線作業主任者's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. エックス線作業主任者 sells 1 one-off in-app purchase. NDT資格対策 過去問演習 asks for nothing beyond the download.

## The numbers

| Metric | エックス線作業主任者 | NDT資格対策 過去問演習 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 29 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) | [YUKI NISHIGAWA](https://appshunter.io/developer/6773584761) |

## What reviewers say

### エックス線作業主任者

[App page](https://appshunter.io/ios/app/id6757122055)

This app provides a comprehensive study tool for the X-ray Work Chief exam, featuring approximately 500 practice questions with detailed explanations. It offers data-driven progress tracking to identify and focus on weak areas, allowing for efficient learning anytime, anywhere, even offline.

**Highlights:** Approximately 500 practice questions, Detailed explanations for each question, Data visualization of weak areas, Intuitive one-touch operation, Random and review quiz modes, Offline study capability

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| エックス線作業主任者 試験対策 | $1.99 | one-time |


### NDT資格対策 過去問演習

[App page](https://appshunter.io/ios/app/ndt/id6781492092)

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

**In-app purchases:** none


## Frequently asked questions

### Is エックス線作業主任者 free?

エックス線作業主任者 is free to download, with in-app purchases available.

### Is NDT資格対策 過去問演習 free?

NDT資格対策 過去問演習 is free to download, with no in-app purchases.

### Do エックス線作業主任者 or NDT資格対策 過去問演習 have ads?

Neither エックス線作業主任者 nor NDT資格対策 過去問演習 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.*