# 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 500問

The clearest difference is in-app purchases: 公害防止管理者大気1種対策 500問 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 500問 also leads on ads (none vs shown) and device support (3 vs 1). 第１種衛生管理者 一問一答問題集's advantage is update cadence (every 3 weeks vs every 2 months). On 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 500問 every 2 months. The most recent releases landed on October 9, 2026 and October 17, 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 500問 |
| --- | --- | --- |
| Price | **Free** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| 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 500問

[App page](https://appshunter.io/ios/app/1-500/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 500問 free?

Pricing for 公害防止管理者大気1種対策 500問 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 500問 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 500問 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 500問?

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 500問 every 2 months. 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 500問 on October 17, 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.*