# 危険物取扱者乙種第四類 vs 危険物取扱者【乙種4類】予想問題演習帳

The clearest difference is iOS requirement: 危険物取扱者乙種第四類 at 12.0 against 危険物取扱者【乙種4類】予想問題演習帳's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 危険物取扱者乙種第四類 | 危険物取扱者【乙種4類】予想問題演習帳 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 55.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | — |
| Size | 13 MB | 6 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Maiji Saito](https://appshunter.io/developer/671719488) | [TAKENORI KIMURA](https://appshunter.io/developer/6805303253) |

## What reviewers say

### 危険物取扱者乙種第四類

[App page](https://appshunter.io/ios/app/id671719485)

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

**In-app purchases:** none


### 危険物取扱者【乙種4類】予想問題演習帳

[App page](https://appshunter.io/ios/app/4/id6812129233)

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

**In-app purchases:** none


## Frequently asked questions

### Is 危険物取扱者乙種第四類 free?

危険物取扱者乙種第四類 is free to download, with no in-app purchases.

### Is 危険物取扱者【乙種4類】予想問題演習帳 free?

危険物取扱者【乙種4類】予想問題演習帳 is free to download, with no in-app purchases.

### Do 危険物取扱者乙種第四類 or 危険物取扱者【乙種4類】予想問題演習帳 have ads?

Both 危険物取扱者乙種第四類 and 危険物取扱者【乙種4類】予想問題演習帳 show 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.*