# 2級ボイラー技士問題集　りすさんシリーズ vs 第二種冷凍機械責任者 | 2026年対策問題

The clearest difference is update cadence: 第二種冷凍機械責任者 | 2026年対策問題 at every 3 weeks against 2級ボイラー技士問題集　りすさんシリーズ's every 11 months. 2級ボイラー技士問題集　りすさんシリーズ's advantage is price ($2.99 vs $3.99). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

2級ボイラー技士問題集　りすさんシリーズ costs $2.99 and 第二種冷凍機械責任者 | 2026年対策問題 $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

2級ボイラー技士問題集　りすさんシリーズ ships an update every 11 months, 第二種冷凍機械責任者 | 2026年対策問題 every 3 weeks. The most recent releases landed on September 9, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 2級ボイラー技士問題集　りすさんシリーズ | 第二種冷凍機械責任者 | 2026年対策問題 |
| --- | --- | --- |
| Price | **$2.99** | $3.99 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 6 MB | 6 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kazuki Baba](https://appshunter.io/developer/903350438) | [Masaki Kobayashi](https://appshunter.io/developer/1882180437) |

## What reviewers say

### 2級ボイラー技士問題集　りすさんシリーズ

[App page](https://appshunter.io/ios/app/2/id907765426)

Prepare for the Class 2 Boiler Engineer exam with realistic practice questions. Study by subject with a 5-choice format and track your accuracy. Covers questions from the first half of Reiwa 7 to the second half of Reiwa 1.

**Highlights:** Realistic exam format, Subject-specific study, 5-choice question format, Answer accuracy tracking, Covers recent exam periods

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 2級ボイラー技士問題集　りすさんシリーズ free?

2級ボイラー技士問題集　りすさんシリーズ costs $2.99, with no in-app purchases.

### 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.

### Do 2級ボイラー技士問題集　りすさんシリーズ or 第二種冷凍機械責任者 | 2026年対策問題 have ads?

Neither 2級ボイラー技士問題集　りすさんシリーズ nor 第二種冷凍機械責任者 | 2026年対策問題 shows ads.

### Which is updated more often, 2級ボイラー技士問題集　りすさんシリーズ or 第二種冷凍機械責任者 | 2026年対策問題?

2級ボイラー技士問題集　りすさんシリーズ ships an update every 11 months, and 第二種冷凍機械責任者 | 2026年対策問題 every 3 weeks. Most recently, 2級ボイラー技士問題集　りすさんシリーズ was updated on September 9, 2026 and 第二種冷凍機械責任者 | 2026年対策問題 on September 23, 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.*