# 二級ボイラー技士｜受験対策資格試験問題アプリ vs 1級ボイラー技士

The clearest difference is ads: 1級ボイラー技士 at none against 二級ボイラー技士｜受験対策資格試験問題アプリ's shown. 1級ボイラー技士 also leads on update cadence (every 8 days vs every 52 months). 二級ボイラー技士｜受験対策資格試験問題アプリ's advantage is iOS requirement (9.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 二級ボイラー技士｜受験対策資格試験問題アプリ sells 1 one-off in-app purchase and 1級ボイラー技士 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

二級ボイラー技士｜受験対策資格試験問題アプリ ships an update every 52 months, 1級ボイラー技士 every 8 days. The most recent releases landed on October 10, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 二級ボイラー技士｜受験対策資格試験問題アプリ | 1級ボイラー技士 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 52 months | **Every 8 days** |
| Size | 21 MB | 5 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SAKURA LLC](https://appshunter.io/developer/982915828) | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) |

## What reviewers say

### 二級ボイラー技士｜受験対策資格試験問題アプリ

[App page](https://appshunter.io/ios/app/id1619921336)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 有料問題 | $2.99 | one-time |


### 1級ボイラー技士

[App page](https://appshunter.io/ios/app/1/id6757117093)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1級ボイラー技士 試験対策 | $1.99 | one-time |


## Frequently asked questions

### Is 二級ボイラー技士｜受験対策資格試験問題アプリ free?

二級ボイラー技士｜受験対策資格試験問題アプリ is free to download, with in-app purchases available.

### Is 1級ボイラー技士 free?

1級ボイラー技士 is free to download, with in-app purchases available.

### Do 二級ボイラー技士｜受験対策資格試験問題アプリ or 1級ボイラー技士 have ads?

二級ボイラー技士｜受験対策資格試験問題アプリ shows ads; 1級ボイラー技士 does not.

### Which is updated more often, 二級ボイラー技士｜受験対策資格試験問題アプリ or 1級ボイラー技士?

二級ボイラー技士｜受験対策資格試験問題アプリ ships an update every 52 months, and 1級ボイラー技士 every 8 days. Most recently, 二級ボイラー技士｜受験対策資格試験問題アプリ was updated on October 10, 2026 and 1級ボイラー技士 on November 5, 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.*