# 2級ボイラー技士試験 過去問集 vs 生産マイスター3級対策

The clearest difference is price: 2級ボイラー技士試験 過去問集 at Free against 生産マイスター3級対策's $5.99. 生産マイスター3級対策's advantage is ads (none vs shown) and device support (3 vs 1). On update cadence and in-app purchases there is nothing between them.

2級ボイラー技士試験 過去問集 is free to download; 生産マイスター3級対策 costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 2級ボイラー技士試験 過去問集 | 生産マイスター3級対策 |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Size | 21 MB | 34 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kenta Momiyama](https://appshunter.io/developer/1394560747) | [satoshi yoshida](https://appshunter.io/developer/1873856165) |

## 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


### 生産マイスター3級対策

[App page](https://appshunter.io/ios/app/3/id6774668234)

**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 生産マイスター3級対策 free?

生産マイスター3級対策 costs $5.99, with no in-app purchases.

### Do 2級ボイラー技士試験 過去問集 or 生産マイスター3級対策 have ads?

2級ボイラー技士試験 過去問集 shows ads; 生産マイスター3級対策 does not.

### Which is updated more often, 2級ボイラー技士試験 過去問集 or 生産マイスター3級対策?

2級ボイラー技士試験 過去問集 ships an update every 2 months, and 生産マイスター3級対策 every 2 months. Most recently, 2級ボイラー技士試験 過去問集 was updated on October 8, 2026 and 生産マイスター3級対策 on September 30, 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.*