# 危険物乙種第４類：試験対策アプリ vs 危険物取扱者【乙種4類】予想問題演習帳

The clearest difference is device support: 危険物取扱者【乙種4類】予想問題演習帳 at 3 against 危険物乙種第４類：試験対策アプリ's —. 危険物取扱者【乙種4類】予想問題演習帳 also leads on iOS requirement (15.0 vs 18.2). On price and in-app purchases 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 | 危険物乙種第４類：試験対策アプリ | 危険物取扱者【乙種4類】予想問題演習帳 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | Yes |
| Size | 5 MB | 6 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [reiko hori](https://appshunter.io/developer/1777370692) | [TAKENORI KIMURA](https://appshunter.io/developer/6805303253) |

## What reviewers say

### 危険物乙種第４類：試験対策アプリ

[App page](https://appshunter.io/ios/app/id6741620317)

**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 危険物乙種第４類：試験対策アプリ free?

危険物乙種第４類：試験対策アプリ 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.

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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.*