# 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 消防設備士4類・乙6ドリル − 製図・鑑別対策

The clearest difference is iOS requirement: 消防設備士4類・乙6ドリル − 製図・鑑別対策 at 15.0 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 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly weekly. Both last shipped on November 10, 2026.

## 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 | 消防設備士4類・乙6ドリル − 製図・鑑別対策 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Freemium | — |
| Size | 5 MB | 27 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shunya Iwasaki](https://appshunter.io/developer/1796095304) | [Moeki Kozawa](https://appshunter.io/developer/1770452138) |

## 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


### 消防設備士4類・乙6ドリル − 製図・鑑別対策

[App page](https://appshunter.io/ios/app/46/id6796460303)

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

**In-app purchases:** none


## 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 消防設備士4類・乙6ドリル − 製図・鑑別対策 free?

消防設備士4類・乙6ドリル − 製図・鑑別対策 is free to download, with no in-app purchases.

### 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 消防設備士4類・乙6ドリル − 製図・鑑別対策 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 消防設備士4類・乙6ドリル − 製図・鑑別対策 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 消防設備士4類・乙6ドリル − 製図・鑑別対策?

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 消防設備士4類・乙6ドリル − 製図・鑑別対策 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 10, 2026 and 消防設備士4類・乙6ドリル − 製図・鑑別対策 on November 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*