# 消防設備士 4類（甲4・乙4）合格ドリル｜一問一答・模擬試験 vs 工事担任者 総合通信 問題集

The clearest difference is review sentiment: 工事担任者 総合通信 問題集 at 100% against 消防設備士 4類（甲4・乙4）合格ドリル｜一問一答・模擬試験's 33%. 工事担任者 総合通信 問題集 also leads on iOS requirement (15.0 vs 17.0). 消防設備士 4類（甲4・乙4）合格ドリル｜一問一答・模擬試験's advantage is in-app purchases (none vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 工事担任者 総合通信 問題集 sells 1 one-off in-app purchase. 消防設備士 4類（甲4・乙4）合格ドリル｜一問一答・模擬試験 asks for nothing beyond the download.

消防設備士 4類（甲4・乙4）合格ドリル｜一問一答・模擬試験 ships an update every 9 days, 工事担任者 総合通信 問題集 weekly. The most recent releases landed on November 5, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 消防設備士 4類（甲4・乙4）合格ドリル｜一問一答・模擬試験 | 工事担任者 総合通信 問題集 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Freemium | — |
| Size | 5 MB | 32 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shunya Iwasaki](https://appshunter.io/developer/1796095304) | [Takuro Fukuma](https://appshunter.io/developer/1896728656) |

## What reviewers say

### 消防設備士 4類（甲4・乙4）合格ドリル｜一問一答・模擬試験

[App page](https://appshunter.io/ios/app/444/id6780047715)

This app provides comprehensive study materials for the Fire Equipment Officer Level 4 (Class A and B) exams. It offers one-on-one practice questions, practical skill drills for identification and drafting, and full-scale mock tests. Study offline and optimize your learning with personalized exam settings.

**Highlights:** One-on-one practice questions by subject, Practical skill drills for identification and drafting, Full-scale mock exams with performance analysis, Personalized exam settings for Class A/B, Offline study support, Progress tracking and visualization

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

**In-app purchases:** none


### 工事担任者 総合通信 問題集

[App page](https://appshunter.io/ios/app/id6787815912)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全問・全機能を解放 | $6.99 | one-time |


## Frequently asked questions

### Is 消防設備士 4類（甲4・乙4）合格ドリル｜一問一答・模擬試験 free?

消防設備士 4類（甲4・乙4）合格ドリル｜一問一答・模擬試験 is free to download, with no in-app purchases.

### Is 工事担任者 総合通信 問題集 free?

工事担任者 総合通信 問題集 is free to download, with in-app purchases available.

### Do 消防設備士 4類（甲4・乙4）合格ドリル｜一問一答・模擬試験 or 工事担任者 総合通信 問題集 have ads?

Neither 消防設備士 4類（甲4・乙4）合格ドリル｜一問一答・模擬試験 nor 工事担任者 総合通信 問題集 shows ads.

### Which is updated more often, 消防設備士 4類（甲4・乙4）合格ドリル｜一問一答・模擬試験 or 工事担任者 総合通信 問題集?

消防設備士 4類（甲4・乙4）合格ドリル｜一問一答・模擬試験 ships an update every 9 days, and 工事担任者 総合通信 問題集 weekly. Most recently, 消防設備士 4類（甲4・乙4）合格ドリル｜一問一答・模擬試験 was updated on November 5, 2026 and 工事担任者 総合通信 問題集 on November 7, 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.*