# 衛生工学衛生管理者 vs ボイラー技士二級 合格ドリル

The clearest difference is in-app purchases: ボイラー技士二級 合格ドリル at none against 衛生工学衛生管理者's 1. On price, update cadence, ads 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. ボイラー技士二級 合格ドリル asks for nothing beyond the download.

衛生工学衛生管理者 ships an update every 2 days, ボイラー技士二級 合格ドリル every 4 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | 衛生工学衛生管理者 | ボイラー技士二級 合格ドリル |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Size | 5 MB | 52 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## 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 |


### ボイラー技士二級 合格ドリル

[App page](https://appshunter.io/ios/app/id6763425772)

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

**In-app purchases:** none


## 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 ボイラー技士二級 合格ドリル free?

ボイラー技士二級 合格ドリル is free to download, with no in-app purchases.

### Do 衛生工学衛生管理者 or ボイラー技士二級 合格ドリル have ads?

Neither 衛生工学衛生管理者 nor ボイラー技士二級 合格ドリル shows ads.

### Which is updated more often, 衛生工学衛生管理者 or ボイラー技士二級 合格ドリル?

衛生工学衛生管理者 ships an update every 2 days, and ボイラー技士二級 合格ドリル every 4 days. Most recently, 衛生工学衛生管理者 was updated on October 31, 2026 and ボイラー技士二級 合格ドリル 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.*