# 2級ボイラー技士試験 過去問集 vs 冷凍三種の森

The clearest difference is ads: 冷凍三種の森 at none against 2級ボイラー技士試験 過去問集's shown. 冷凍三種の森 also leads on update cadence (every 3 weeks vs every 2 months) and device support (3 vs 1). On price 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.

2級ボイラー技士試験 過去問集 ships an update every 2 months, 冷凍三種の森 every 3 weeks. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 2級ボイラー技士試験 過去問集 | 冷凍三種の森 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 11 MB | 100 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kenta Momiyama](https://appshunter.io/developer/1394560747) | [合同会社OLA](https://appshunter.io/developer/1832165711) |

## What reviewers say

### 2級ボイラー技士試験 過去問集

[App page](https://appshunter.io/ios/app/2/id1595430564)

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

**In-app purchases:** none


### 冷凍三種の森

[App page](https://appshunter.io/ios/app/id6746394545)

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

**In-app purchases:** none


## Frequently asked questions

### Is 2級ボイラー技士試験 過去問集 free?

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

### Is 冷凍三種の森 free?

冷凍三種の森 is free to download, with no in-app purchases.

### Do 2級ボイラー技士試験 過去問集 or 冷凍三種の森 have ads?

2級ボイラー技士試験 過去問集 shows ads; 冷凍三種の森 does not.

### Which is updated more often, 2級ボイラー技士試験 過去問集 or 冷凍三種の森?

2級ボイラー技士試験 過去問集 ships an update every 2 months, and 冷凍三種の森 every 3 weeks. Most recently, 2級ボイラー技士試験 過去問集 was updated on October 24, 2026 and 冷凍三種の森 on October 12, 2026.

---

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