# 第二種冷凍機械責任者 | 2026年対策問題 vs 危険物取扱者【甲種】予想問題演習帳

The clearest difference is price: 危険物取扱者【甲種】予想問題演習帳 at Free against 第二種冷凍機械責任者 | 2026年対策問題's $2.99. 危険物取扱者【甲種】予想問題演習帳 also leads on iOS requirement (15.0 vs 17.0). 第二種冷凍機械責任者 | 2026年対策問題's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

危険物取扱者【甲種】予想問題演習帳 is free to download; 第二種冷凍機械責任者 | 2026年対策問題 costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 第二種冷凍機械責任者 | 2026年対策問題 | 危険物取扱者【甲種】予想問題演習帳 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | — |
| Monetization | Paid | — |
| Size | 6 MB | 6 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masaki Kobayashi](https://appshunter.io/developer/1882180437) | [TAKENORI KIMURA](https://appshunter.io/developer/6805303253) |

## 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


### 危険物取扱者【甲種】予想問題演習帳

[App page](https://appshunter.io/ios/app/id6811697807)

**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 $2.99, with no in-app purchases.

### Is 危険物取扱者【甲種】予想問題演習帳 free?

危険物取扱者【甲種】予想問題演習帳 is free to download, with no in-app purchases.

### Do 第二種冷凍機械責任者 | 2026年対策問題 or 危険物取扱者【甲種】予想問題演習帳 have ads?

危険物取扱者【甲種】予想問題演習帳 shows ads; 第二種冷凍機械責任者 | 2026年対策問題 does not.

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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.*