# 危険物乙4 過去問＆問題集 vs 電気工事士 危険物乙4 過去問 問題集 一問一答

The clearest difference is in-app purchases: 危険物乙4 過去問＆問題集 at none against 電気工事士 危険物乙4 過去問 問題集 一問一答's 3. 危険物乙4 過去問＆問題集 also leads on iOS requirement (13.0 vs 16.0). 電気工事士 危険物乙4 過去問 問題集 一問一答's advantage is device support. On price there is nothing between them.

Both are free to download. 電気工事士 危険物乙4 過去問 問題集 一問一答 sells 3 in-app purchases, starting at $9.99 per month. 危険物乙4 過去問＆問題集 asks for nothing beyond the download.

## The numbers

| Metric | 危険物乙4 過去問＆問題集 | 電気工事士 危険物乙4 過去問 問題集 一問一答 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Size | 24 MB | 194 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [TAKASHI MEGURO](https://appshunter.io/developer/1866895041) | [Shanghai Xushu Information Technology Co., Ltd.](https://appshunter.io/developer/1733615663) |

## 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


### 電気工事士 危険物乙4 過去問 問題集 一問一答

[App page](https://appshunter.io/ios/app/4/id6786999430)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 月額プラン | $9.99 | per month |
| Pro 3か月プラン | $19.99 | per 3 months |
| Pro 買い切り（永久） | $39.99 | one-time |


## 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 電気工事士 危険物乙4 過去問 問題集 一問一答 free?

電気工事士 危険物乙4 過去問 問題集 一問一答 is free to download, with in-app purchases available.

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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.*