# 第１種衛生管理者 一問一答問題集 vs 公害防止管理者大気1種対策

The clearest difference is in-app purchases: 公害防止管理者大気1種対策 at none against 第１種衛生管理者 一問一答問題集's 1. 公害防止管理者大気1種対策 also leads on ads (none vs shown) and device support (3 vs 1). On update cadence and iOS requirement there is nothing between them.

第１種衛生管理者 一問一答問題集 ships an update every 3 weeks, 公害防止管理者大気1種対策 monthly. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 第１種衛生管理者 一問一答問題集 | 公害防止管理者大気1種対策 |
| --- | --- | --- |
| Price | **Free** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 6 MB | 34 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ryota Yamaguchi](https://appshunter.io/developer/1891248401) | [satoshi yoshida](https://appshunter.io/developer/1873856165) |

## What reviewers say

### 第１種衛生管理者 一問一答問題集

[App page](https://appshunter.io/ios/app/id6761746292)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を非表示にする | $2.99 | one-time |


### 公害防止管理者大気1種対策

[App page](https://appshunter.io/ios/app/1/id6775328790)

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

**In-app purchases:** none


## Frequently asked questions

### Is 第１種衛生管理者 一問一答問題集 free?

第１種衛生管理者 一問一答問題集 is free to download, with in-app purchases available.

### Is 公害防止管理者大気1種対策 free?

Pricing for 公害防止管理者大気1種対策 is not currently listed on the App Store.

### Do 第１種衛生管理者 一問一答問題集 or 公害防止管理者大気1種対策 have ads?

第１種衛生管理者 一問一答問題集 shows ads; 公害防止管理者大気1種対策 does not.

### Which is updated more often, 第１種衛生管理者 一問一答問題集 or 公害防止管理者大気1種対策?

第１種衛生管理者 一問一答問題集 ships an update every 3 weeks, and 公害防止管理者大気1種対策 monthly. Most recently, 第１種衛生管理者 一問一答問題集 was updated on October 9, 2026 and 公害防止管理者大気1種対策 on October 1, 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.*