# ２級ボイラー技士試験 「30日合格プログラム」 vs 1級ボイラー技士

The clearest difference is price: 1級ボイラー技士 at Free against ２級ボイラー技士試験 「30日合格プログラム」's $9.99. 1級ボイラー技士 also leads on update cadence (every 8 days vs every 13 months). ２級ボイラー技士試験 「30日合格プログラム」's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 16.0). On ads and device support there is nothing between them.

1級ボイラー技士 is free to download; ２級ボイラー技士試験 「30日合格プログラム」 costs $9.99 up front. 1級ボイラー技士 sells 1 one-off in-app purchase. ２級ボイラー技士試験 「30日合格プログラム」 asks for nothing beyond the download.

２級ボイラー技士試験 「30日合格プログラム」 ships an update every 13 months, 1級ボイラー技士 every 8 days. Both last shipped on September 21, 2026.

## The numbers

| Metric | ２級ボイラー技士試験 「30日合格プログラム」 | 1級ボイラー技士 |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 8 days** |
| Monetization | Paid | — |
| Size | 24 MB | 5 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ReCorrect Inc.](https://appshunter.io/developer/1141646408) | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) |

## What reviewers say

### ２級ボイラー技士試験 「30日合格プログラム」

[App page](https://appshunter.io/ios/app/30/id1618369689)

This app helps you prepare for the Level 2 Boiler Engineer exam. It analyzes past questions to focus on essential material, offering mock exams and targeted practice for weak subjects. Aimed at efficient study for exam success.

**Highlights:** Past question analysis, Efficient study support, Randomized mock exams, Targeted weak subject practice, Progress tracking

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

**In-app purchases:** none


### 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 ２級ボイラー技士試験 「30日合格プログラム」 free?

２級ボイラー技士試験 「30日合格プログラム」 costs $9.99, with no in-app purchases.

### 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 ２級ボイラー技士試験 「30日合格プログラム」 or 1級ボイラー技士 have ads?

Neither ２級ボイラー技士試験 「30日合格プログラム」 nor 1級ボイラー技士 shows ads.

### Which is updated more often, ２級ボイラー技士試験 「30日合格プログラム」 or 1級ボイラー技士?

２級ボイラー技士試験 「30日合格プログラム」 ships an update every 13 months, and 1級ボイラー技士 every 8 days. Most recently, ２級ボイラー技士試験 「30日合格プログラム」 was updated on September 21, 2026 and 1級ボイラー技士 on September 21, 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.*