# 危険物取扱者 vs 放射線取扱主任者一問一答

The clearest difference is price: 危険物取扱者 at Free against 放射線取扱主任者一問一答's $2.99. 危険物取扱者 also leads on device support. 放射線取扱主任者一問一答's advantage is in-app purchases (none vs 1). On iOS requirement there is nothing between them.

危険物取扱者 is free to download; 放射線取扱主任者一問一答 costs $2.99 up front. 危険物取扱者 sells 1 one-off in-app purchase. 放射線取扱主任者一問一答 asks for nothing beyond the download.

## The numbers

| Metric | 危険物取扱者 | 放射線取扱主任者一問一答 |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 25 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) | [TAKASHI NISHIHARA](https://appshunter.io/developer/1887765352) |

## What reviewers say

### 危険物取扱者

[App page](https://appshunter.io/ios/app/6/id6757999897)

This app provides a comprehensive study tool for the Hazardous Materials Handler (Class B, Type 6) exam. It features approximately 500 practice questions with detailed explanations and data-driven progress tracking to help users efficiently prepare for the test.

**Highlights:** Approximately 500 practice questions, Detailed explanations for each question, Data-driven visualization of weak areas, Intuitive and user-friendly interface, Random and review question modes, Offline study capability

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 危険物取扱者（乙6） 試験対策 | $1.99 | one-time |


### 放射線取扱主任者一問一答

[App page](https://appshunter.io/ios/app/id6761297490)

**In-app purchases:** none


## Frequently asked questions

### Is 危険物取扱者 free?

危険物取扱者 is free to download, with in-app purchases available.

### Is 放射線取扱主任者一問一答 free?

放射線取扱主任者一問一答 costs $2.99, with no in-app purchases.

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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.*