# 衛生工学衛生管理者 vs 危険物乙4コンプリートマスター解説付

The clearest difference is update cadence: 衛生工学衛生管理者 at every 2 days against 危険物乙4コンプリートマスター解説付's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 衛生工学衛生管理者 sells 1 one-off in-app purchase and 危険物乙4コンプリートマスター解説付 sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

衛生工学衛生管理者 ships an update every 2 days, 危険物乙4コンプリートマスター解説付 weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | 衛生工学衛生管理者 | 危険物乙4コンプリートマスター解説付 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Size | 5 MB | 108 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) | [BEAK,K.K.](https://appshunter.io/developer/1808079760) |

## What reviewers say

### 衛生工学衛生管理者

[App page](https://appshunter.io/ios/app/id6757282908)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 衛生工学衛生管理者 試験対策 | $1.99 | one-time |


### 危険物乙4コンプリートマスター解説付

[App page](https://appshunter.io/ios/app/4/id6772826132)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 危険物乙4サブスクリプション | $2.99 | per month |
| 危険物乙4買い切りプラン | $22.99 | one-time |


## Frequently asked questions

### Is 衛生工学衛生管理者 free?

衛生工学衛生管理者 is free to download, with in-app purchases available.

### Is 危険物乙4コンプリートマスター解説付 free?

危険物乙4コンプリートマスター解説付 is free to download, with in-app purchases available.

### Do 衛生工学衛生管理者 or 危険物乙4コンプリートマスター解説付 have ads?

Neither 衛生工学衛生管理者 nor 危険物乙4コンプリートマスター解説付 shows ads.

### Which is updated more often, 衛生工学衛生管理者 or 危険物乙4コンプリートマスター解説付?

衛生工学衛生管理者 ships an update every 2 days, and 危険物乙4コンプリートマスター解説付 weekly. Most recently, 衛生工学衛生管理者 was updated on October 31, 2026 and 危険物乙4コンプリートマスター解説付 on October 31, 2026.

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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.*