# 危険物取扱者乙種第四類 vs 危険物取扱者

The clearest difference is in-app purchases: 危険物取扱者乙種第四類 at none against 危険物取扱者's 1. 危険物取扱者乙種第四類 also leads on iOS requirement (12.0 vs 16.0). 危険物取扱者's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. 危険物取扱者 sells 1 one-off in-app purchase. 危険物取扱者乙種第四類 asks for nothing beyond the download.

## The numbers

| Metric | 危険物取扱者乙種第四類 | 危険物取扱者 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 55.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Size | 13 MB | 5 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Maiji Saito](https://appshunter.io/developer/671719488) | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) |

## 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

[App page](https://appshunter.io/ios/app/4/id6757994563)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 危険物取扱者（乙4） 試験対策 | $1.99 | one-time |


## 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 free?

危険物取扱者 is free to download, with in-app purchases available.

### Do 危険物取扱者乙種第四類 or 危険物取扱者 have ads?

危険物取扱者乙種第四類 shows ads; 危険物取扱者 does not.

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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.*