# 1級ボイラー技士 vs 1級ボイラー技士対策

The clearest difference is price: 1級ボイラー技士 at Free against 1級ボイラー技士対策's $4.99. 1級ボイラー技士 also leads on update cadence (every 8 days vs every 3 weeks). 1級ボイラー技士対策's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

1級ボイラー技士 is free to download; 1級ボイラー技士対策 costs $4.99 up front. 1級ボイラー技士 sells 1 one-off in-app purchase. 1級ボイラー技士対策 asks for nothing beyond the download.

1級ボイラー技士 ships an update every 8 days, 1級ボイラー技士対策 every 3 weeks. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 1級ボイラー技士 | 1級ボイラー技士対策 |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Size | 5 MB | 34 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) | [satoshi yoshida](https://appshunter.io/developer/1873856165) |

## What reviewers say

### 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 |


### 1級ボイラー技士対策

[App page](https://appshunter.io/ios/app/1/id6766147303)

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

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is 1級ボイラー技士対策 free?

1級ボイラー技士対策 costs $4.99, with no in-app purchases.

### Do 1級ボイラー技士 or 1級ボイラー技士対策 have ads?

Neither 1級ボイラー技士 nor 1級ボイラー技士対策 shows ads.

### Which is updated more often, 1級ボイラー技士 or 1級ボイラー技士対策?

1級ボイラー技士 ships an update every 8 days, and 1級ボイラー技士対策 every 3 weeks. Most recently, 1級ボイラー技士 was updated on September 21, 2026 and 1級ボイラー技士対策 on September 19, 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.*