# 水質関係第３種 vs 消防設備士4類ドリル − 製図・鑑別対策

The clearest difference is in-app purchases: 消防設備士4類ドリル − 製図・鑑別対策 at none against 水質関係第３種's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 水質関係第３種 sells 1 one-off in-app purchase. 消防設備士4類ドリル − 製図・鑑別対策 asks for nothing beyond the download.

## The numbers

| Metric | 水質関係第３種 | 消防設備士4類ドリル − 製図・鑑別対策 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 8 days |
| Size | 5 MB | 26 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) | [Moeki Kozawa](https://appshunter.io/developer/1770452138) |

## What reviewers say

### 水質関係第３種

[App page](https://appshunter.io/ios/app/id6758426472)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 水質関係第３種公害防止管理者 試験対策 | $1.99 | one-time |


### 消防設備士4類ドリル − 製図・鑑別対策

[App page](https://appshunter.io/ios/app/4/id6796460303)

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

**In-app purchases:** none


## Frequently asked questions

### Is 水質関係第３種 free?

水質関係第３種 is free to download, with in-app purchases available.

### Is 消防設備士4類ドリル − 製図・鑑別対策 free?

消防設備士4類ドリル − 製図・鑑別対策 is free to download, with no in-app purchases.

### Do 水質関係第３種 or 消防設備士4類ドリル − 製図・鑑別対策 have ads?

Neither 水質関係第３種 nor 消防設備士4類ドリル − 製図・鑑別対策 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.*