# ボイラー技士１級過去問集min vs 公害防止管理者 大気1種 問題集

The clearest difference is in-app purchases: ボイラー技士１級過去問集min at none against 公害防止管理者 大気1種 問題集's 1. ボイラー技士１級過去問集min also leads on iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 公害防止管理者 大気1種 問題集 sells 1 one-off in-app purchase. ボイラー技士１級過去問集min asks for nothing beyond the download.

## The numbers

| Metric | ボイラー技士１級過去問集min | 公害防止管理者 大気1種 問題集 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Size | 34 MB | 32 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Isobe masayuki](https://appshunter.io/developer/1702442478) | [Takuro Fukuma](https://appshunter.io/developer/1896728656) |

## What reviewers say

### ボイラー技士１級過去問集min

[App page](https://appshunter.io/ios/app/min/id6497877744)

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

**In-app purchases:** none


### 公害防止管理者 大気1種 問題集

[App page](https://appshunter.io/ios/app/1/id6800551667)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全問解放（買い切り） | $6.99 | one-time |


## Frequently asked questions

### Is ボイラー技士１級過去問集min free?

ボイラー技士１級過去問集min is free to download, with no in-app purchases.

### Is 公害防止管理者 大気1種 問題集 free?

公害防止管理者 大気1種 問題集 is free to download, with in-app purchases available.

### Do ボイラー技士１級過去問集min or 公害防止管理者 大気1種 問題集 have ads?

Neither ボイラー技士１級過去問集min nor 公害防止管理者 大気1種 問題集 shows ads.

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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.*