# 危険物乙4 過去問＆問題集 vs 危険物乙4 合格ドリル

The clearest difference is device support: 危険物乙4 合格ドリル at 3 against 危険物乙4 過去問＆問題集's —. 危険物乙4 過去問＆問題集's advantage is iOS requirement (13.0 vs 15.1). 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4 過去問＆問題集 | 危険物乙4 合格ドリル |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | Yes |
| Update frequency | — | Weekly |
| Size | 24 MB | 53 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TAKASHI MEGURO](https://appshunter.io/developer/1866895041) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### 危険物乙4 過去問＆問題集

[App page](https://appshunter.io/ios/app/4-2026/id6757431635)

**In-app purchases:** none


### 危険物乙4 合格ドリル

[App page](https://appshunter.io/ios/app/4/id6761160536)

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

**In-app purchases:** none


## Frequently asked questions

### Is 危険物乙4 過去問＆問題集 free?

危険物乙4 過去問＆問題集 is free to download, with no in-app purchases.

### Is 危険物乙4 合格ドリル free?

危険物乙4 合格ドリル 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.*