# 1級ボイラー技士問題集　りすさんシリーズ 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 1級ボイラー技士問題集　りすさんシリーズ's $2.99. 1級ボイラー技士 also leads on update cadence (every 8 days vs every 5 months) and iOS requirement (16.0 vs 18.6). 1級ボイラー技士問題集　りすさんシリーズ's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

1級ボイラー技士 is free to download; 1級ボイラー技士問題集　りすさんシリーズ costs $2.99 up front. 1級ボイラー技士 sells 1 one-off in-app purchase. 1級ボイラー技士問題集　りすさんシリーズ asks for nothing beyond the download.

1級ボイラー技士問題集　りすさんシリーズ ships an update every 5 months, 1級ボイラー技士 every 8 days. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 1級ボイラー技士問題集　りすさんシリーズ | 1級ボイラー技士 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 8 days** |
| Monetization | Paid | — |
| Size | 6 MB | 5 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kazuki Baba](https://appshunter.io/developer/903350438) | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) |

## What reviewers say

### 1級ボイラー技士問題集　りすさんシリーズ

[App page](https://appshunter.io/ios/app/1/id907765157)

Prepare for the Grade 1 Boiler Engineer exam with realistic practice questions. Study by subject with a five-choice format and receive instant feedback on your accuracy. This app covers exam questions from the second half of Reiwa 1 to the first half of Reiwa 7.

**Highlights:** Realistic exam format, Subject-specific study, Five-choice question format, Instant accuracy feedback, Covers Reiwa 1 to Reiwa 7 exams

**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 1級ボイラー技士問題集　りすさんシリーズ free?

1級ボイラー技士問題集　りすさんシリーズ costs $2.99, 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 1級ボイラー技士問題集　りすさんシリーズ or 1級ボイラー技士 have ads?

Neither 1級ボイラー技士問題集　りすさんシリーズ nor 1級ボイラー技士 shows ads.

### Which is updated more often, 1級ボイラー技士問題集　りすさんシリーズ or 1級ボイラー技士?

1級ボイラー技士問題集　りすさんシリーズ ships an update every 5 months, and 1級ボイラー技士 every 8 days. Most recently, 1級ボイラー技士問題集　りすさんシリーズ was updated on October 9, 2026 and 1級ボイラー技士 on October 13, 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.*