# ボイラー２級2022年対策アプリ vs 2級ボイラーの森

The clearest difference is in-app purchases: ボイラー２級2022年対策アプリ at none against 2級ボイラーの森's 1. ボイラー２級2022年対策アプリ also leads on iOS requirement (11.0 vs 15.6). 2級ボイラーの森's advantage is update cadence (every 3 weeks vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. 2級ボイラーの森 sells 1 one-off in-app purchase. ボイラー２級2022年対策アプリ asks for nothing beyond the download.

ボイラー２級2022年対策アプリ ships an update every 6 months, 2級ボイラーの森 every 3 weeks. Both last shipped on September 12, 2026.

## The numbers

| Metric | ボイラー２級2022年対策アプリ | 2級ボイラーの森 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Size | 25 MB | 99 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YUZUKI SUDA](https://appshunter.io/developer/1548626646) | [合同会社OLA](https://appshunter.io/developer/1832165711) |

## What reviewers say

### ボイラー２級2022年対策アプリ

[App page](https://appshunter.io/ios/app/2022/id1555831423)

**Features:** macOS Compatibility

**In-app purchases:** none


### 2級ボイラーの森

[App page](https://appshunter.io/ios/app/2/id6747311296)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| すべての年度がアンロックされます | $2.99 | one-time |


## Frequently asked questions

### Is ボイラー２級2022年対策アプリ free?

ボイラー２級2022年対策アプリ is free to download, with no in-app purchases.

### Is 2級ボイラーの森 free?

2級ボイラーの森 is free to download, with in-app purchases available.

### Do ボイラー２級2022年対策アプリ or 2級ボイラーの森 have ads?

Neither ボイラー２級2022年対策アプリ nor 2級ボイラーの森 shows ads.

### Which is updated more often, ボイラー２級2022年対策アプリ or 2級ボイラーの森?

ボイラー２級2022年対策アプリ ships an update every 6 months, and 2級ボイラーの森 every 3 weeks. Most recently, ボイラー２級2022年対策アプリ was updated on September 12, 2026 and 2級ボイラーの森 on September 12, 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.*