# 2級ボイラー技士問題集lite　りすさんシリーズ vs 危険物乙種第４類：試験対策アプリ

The clearest difference is device support: 2級ボイラー技士問題集lite　りすさんシリーズ at 2 against 危険物乙種第４類：試験対策アプリ's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 2級ボイラー技士問題集lite　りすさんシリーズ | 危険物乙種第４類：試験対策アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 16 months | — |
| Size | 5 MB | 5 MB |
| Requires iOS | 18.6 | **18.2** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Kazuki Baba](https://appshunter.io/developer/903350438) | [reiko hori](https://appshunter.io/developer/1777370692) |

## What reviewers say

### 2級ボイラー技士問題集lite　りすさんシリーズ

[App page](https://appshunter.io/ios/app/2lite/id907765542)

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

**In-app purchases:** none


### 危険物乙種第４類：試験対策アプリ

[App page](https://appshunter.io/ios/app/id6741620317)

**In-app purchases:** none


## Frequently asked questions

### Is 2級ボイラー技士問題集lite　りすさんシリーズ free?

2級ボイラー技士問題集lite　りすさんシリーズ is free to download, with no in-app purchases.

### Is 危険物乙種第４類：試験対策アプリ free?

危険物乙種第４類：試験対策アプリ is free to download, with no in-app purchases.

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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.*