# 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 過去問解説2026

The clearest difference is in-app purchases: 消防設備士 4類（甲4・乙4）合格ドリル｜一問一答・模擬試験 at none against 工事担任者 総合通信 過去問解説2026's 1. 工事担任者 総合通信 過去問解説2026's advantage is review sentiment (50% vs 33%) and iOS requirement (13.0 vs 17.0). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. 工事担任者 総合通信 過去問解説2026 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 weekly, 工事担任者 総合通信 過去問解説2026 every 5 days. The most recent releases landed on October 15, 2026 and October 18, 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 過去問解説2026 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 4 MB | 50 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shunya Iwasaki](https://appshunter.io/developer/1796095304) | [YUKI SHIIYAMA](https://appshunter.io/developer/1867294802) |

## 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 過去問解説2026

[App page](https://appshunter.io/ios/app/2026/id6797513584)

This iOS app provides past exam questions and detailed explanations for the "General Communications" certification. It covers 11 past exams with over 1,000 questions across basic, technical, and legal subjects. Features include practice modes, mock tests, and progress tracking.

**Highlights:** Past exam question practice, Subject and field-specific drills, Mock exams, Detailed explanations, Progress tracking, Important terminology glossary

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 工事担任者（総合通信） PRO | $4.99 | 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 過去問解説2026 free?

工事担任者 総合通信 過去問解説2026 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 過去問解説2026 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 過去問解説2026 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 過去問解説2026?

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 weekly, and 工事担任者 総合通信 過去問解説2026 every 5 days. 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 October 15, 2026 and 工事担任者 総合通信 過去問解説2026 on October 18, 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.*