# 危険物乙4 合格対策 vs うちの危険物乙4種ノート

The clearest difference is in-app purchases: うちの危険物乙4種ノート at none against 危険物乙4 合格対策's 1. 危険物乙4 合格対策's advantage is iOS requirement (13.0 vs 16.0). On price there is nothing between them.

Both are free to download. 危険物乙4 合格対策 sells 1 one-off in-app purchase. うちの危険物乙4種ノート asks for nothing beyond the download.

## The numbers

| Metric | 危険物乙4 合格対策 | うちの危険物乙4種ノート |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | Yes |
| Update frequency | — | Every 5 days |
| Size | 132 MB | 15 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [Jongmin Kim](https://appshunter.io/developer/1693759760) | [Yutarou Nagano](https://appshunter.io/developer/6784878764) |

## What reviewers say

### 危険物乙4 合格対策

[App page](https://appshunter.io/ios/app/4/id6760637063)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告削除プレミアム | $2.99 | one-time |


### うちの危険物乙4種ノート

[App page](https://appshunter.io/ios/app/4/id6801598267)

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

**In-app purchases:** none


## Frequently asked questions

### Is 危険物乙4 合格対策 free?

危険物乙4 合格対策 is free to download, with in-app purchases available.

### Is うちの危険物乙4種ノート free?

うちの危険物乙4種ノート 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.*