# 第3種冷凍機械責任者試験問題集 lite　りすさんシリーズ vs ボイラー技士2級過去問集min

The clearest difference is review sentiment: 第3種冷凍機械責任者試験問題集 lite　りすさんシリーズ at 33% against ボイラー技士2級過去問集min's 0%. ボイラー技士2級過去問集min's advantage is update cadence (every 4 months vs every 15 months) and iOS requirement (11.0 vs 18.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

第3種冷凍機械責任者試験問題集 lite　りすさんシリーズ ships an update every 15 months, ボイラー技士2級過去問集min every 4 months. The most recent releases landed on September 12, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | 第3種冷凍機械責任者試験問題集 lite　りすさんシリーズ | ボイラー技士2級過去問集min |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 5 MB | 34 MB |
| Requires iOS | 18.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kazuki Baba](https://appshunter.io/developer/903350438) | [Isobe masayuki](https://appshunter.io/developer/1702442478) |

## What reviewers say

### 第3種冷凍機械責任者試験問題集 lite　りすさんシリーズ

[App page](https://appshunter.io/ios/app/3-lite/id1139521631)

Practice questions for the 3rd Class Refrigeration Engineer exam. Study by year with 5-choice questions and track your accuracy. Features include a check function for incorrect answers and a save feature to resume at any time.

**Highlights:** Yearly question sets, 5-choice format, Answer accuracy tracking, Automatic incorrect question recall, Save and resume functionality, Subject-specific data reset

**Features:** macOS Compatibility

**In-app purchases:** none


### ボイラー技士2級過去問集min

[App page](https://appshunter.io/ios/app/2min/id6473094969)

This app offers a streamlined way to study for the Boiler Engineer Level 2 exam. It features past exam questions in a Q&A format with explanations, allowing for flexible and efficient learning anytime, anywhere.

**Highlights:** Past exam questions, Q&A format with explanations, Learn anytime, anywhere, Covers exam scope, Understand exam trends

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

**In-app purchases:** none


## Frequently asked questions

### Is 第3種冷凍機械責任者試験問題集 lite　りすさんシリーズ free?

第3種冷凍機械責任者試験問題集 lite　りすさんシリーズ is free to download, with no in-app purchases.

### Is ボイラー技士2級過去問集min free?

ボイラー技士2級過去問集min is free to download, with no in-app purchases.

### Do 第3種冷凍機械責任者試験問題集 lite　りすさんシリーズ or ボイラー技士2級過去問集min have ads?

Neither 第3種冷凍機械責任者試験問題集 lite　りすさんシリーズ nor ボイラー技士2級過去問集min shows ads.

### Which is updated more often, 第3種冷凍機械責任者試験問題集 lite　りすさんシリーズ or ボイラー技士2級過去問集min?

第3種冷凍機械責任者試験問題集 lite　りすさんシリーズ ships an update every 15 months, and ボイラー技士2級過去問集min every 4 months. Most recently, 第3種冷凍機械責任者試験問題集 lite　りすさんシリーズ was updated on September 12, 2026 and ボイラー技士2級過去問集min on August 24, 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.*