# 第二種冷凍機械責任者 | 2026年対策問題 vs 消防設備士 乙6 試験対策

The clearest difference is price: 第二種冷凍機械責任者 | 2026年対策問題 at $3.99 against 消防設備士 乙6 試験対策's $4.99. 消防設備士 乙6 試験対策's advantage is iOS requirement (15.0 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

第二種冷凍機械責任者 | 2026年対策問題 costs $3.99 and 消防設備士 乙6 試験対策 $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

第二種冷凍機械責任者 | 2026年対策問題 ships an update every 3 weeks, 消防設備士 乙6 試験対策 fortnightly. The most recent releases landed on September 23, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | 第二種冷凍機械責任者 | 2026年対策問題 | 消防設備士 乙6 試験対策 |
| --- | --- | --- |
| Price | **$3.99** | $4.99 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Paid | — |
| Size | 6 MB | 3 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masaki Kobayashi](https://appshunter.io/developer/1882180437) | [matsuo konan](https://appshunter.io/developer/6772919772) |

## What reviewers say

### 第二種冷凍機械責任者 | 2026年対策問題

[App page](https://appshunter.io/ios/app/2026/id6777672583)

This app offers 800 original practice questions for the Type 2 Refrigeration Engineer exam. It organizes content by topic, provides detailed explanations for correct and incorrect answers, and supports offline use. The app aims to help users understand concepts rather than just memorize them.

**Highlights:** 800 original practice questions, Detailed explanations for answers, Topic-based learning, Randomized question order, Review incorrect answers, Offline access

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

**In-app purchases:** none


### 消防設備士 乙6 試験対策

[App page](https://appshunter.io/ios/app/6/id6783586555)

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

**In-app purchases:** none


## Frequently asked questions

### Is 第二種冷凍機械責任者 | 2026年対策問題 free?

第二種冷凍機械責任者 | 2026年対策問題 costs $3.99, with no in-app purchases.

### Is 消防設備士 乙6 試験対策 free?

消防設備士 乙6 試験対策 costs $4.99, with no in-app purchases.

### Do 第二種冷凍機械責任者 | 2026年対策問題 or 消防設備士 乙6 試験対策 have ads?

Neither 第二種冷凍機械責任者 | 2026年対策問題 nor 消防設備士 乙6 試験対策 shows ads.

### Which is updated more often, 第二種冷凍機械責任者 | 2026年対策問題 or 消防設備士 乙6 試験対策?

第二種冷凍機械責任者 | 2026年対策問題 ships an update every 3 weeks, and 消防設備士 乙6 試験対策 fortnightly. Most recently, 第二種冷凍機械責任者 | 2026年対策問題 was updated on September 23, 2026 and 消防設備士 乙6 試験対策 on September 28, 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.*