# 第1種衛生管理者の森 vs オツスキ！：仕事の合間で受かる乙4

The clearest difference is ads: 第1種衛生管理者の森 at none against オツスキ！：仕事の合間で受かる乙4's shown. 第1種衛生管理者の森 also leads on iOS requirement (13.0 vs 15.0). オツスキ！：仕事の合間で受かる乙4's advantage is update cadence (daily vs monthly). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 第1種衛生管理者の森 sells 1 one-off in-app purchase and オツスキ！：仕事の合間で受かる乙4 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

第1種衛生管理者の森 ships an update monthly, オツスキ！：仕事の合間で受かる乙4 daily. The most recent releases landed on September 26, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | 第1種衛生管理者の森 | オツスキ！：仕事の合間で受かる乙4 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Daily** |
| Size | 98 MB | 30 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [合同会社OLA](https://appshunter.io/developer/1832165711) | [NAGAKAWA MASAHIKO](https://appshunter.io/developer/1872718412) |

## What reviewers say

### 第1種衛生管理者の森

[App page](https://appshunter.io/ios/app/1/id6763957280)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全年度アンロック | $2.99 | one-time |


### オツスキ！：仕事の合間で受かる乙4

[App page](https://appshunter.io/ios/app/4/id6801225154)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム | $2.99 | one-time |


## Frequently asked questions

### Is 第1種衛生管理者の森 free?

第1種衛生管理者の森 is free to download, with in-app purchases available.

### Is オツスキ！：仕事の合間で受かる乙4 free?

オツスキ！：仕事の合間で受かる乙4 is free to download, with in-app purchases available.

### Do 第1種衛生管理者の森 or オツスキ！：仕事の合間で受かる乙4 have ads?

オツスキ！：仕事の合間で受かる乙4 shows ads; 第1種衛生管理者の森 does not.

### Which is updated more often, 第1種衛生管理者の森 or オツスキ！：仕事の合間で受かる乙4?

第1種衛生管理者の森 ships an update monthly, and オツスキ！：仕事の合間で受かる乙4 daily. Most recently, 第1種衛生管理者の森 was updated on September 26, 2026 and オツスキ！：仕事の合間で受かる乙4 on September 29, 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.*