# 消防設備士乙種6類 2026年版 問題集 一問一答・模試 vs Denken 3rd Class

The clearest difference is in-app purchases: Denken 3rd Class at none against 消防設備士乙種6類 2026年版 問題集 一問一答・模試's 1. Denken 3rd Class also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. 消防設備士乙種6類 2026年版 問題集 一問一答・模試 sells 1 one-off in-app purchase. Denken 3rd Class asks for nothing beyond the download.

消防設備士乙種6類 2026年版 問題集 一問一答・模試 ships an update every 2 days, Denken 3rd Class every 3 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 消防設備士乙種6類 2026年版 問題集 一問一答・模試 | Denken 3rd Class |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 3 days |
| Size | 23 MB | 65 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Signet LLC](https://appshunter.io/developer/1880910401) | [hyuncheol seo](https://appshunter.io/developer/6797554122) |

## What reviewers say

### 消防設備士乙種6類 2026年版 問題集 一問一答・模試

[App page](https://appshunter.io/ios/app/6-2026/id6787936409)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro（広告オフ・全解放） | $4.99 | one-time |


### Denken 3rd Class

[App page](https://appshunter.io/ios/app/denken-3rd-class-passrun/id6809243739)

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

**In-app purchases:** none


## Frequently asked questions

### Is 消防設備士乙種6類 2026年版 問題集 一問一答・模試 free?

消防設備士乙種6類 2026年版 問題集 一問一答・模試 is free to download, with in-app purchases available.

### Is Denken 3rd Class free?

Denken 3rd Class is free to download, with no in-app purchases.

### Do 消防設備士乙種6類 2026年版 問題集 一問一答・模試 or Denken 3rd Class have ads?

Both 消防設備士乙種6類 2026年版 問題集 一問一答・模試 and Denken 3rd Class show ads.

### Which is updated more often, 消防設備士乙種6類 2026年版 問題集 一問一答・模試 or Denken 3rd Class?

消防設備士乙種6類 2026年版 問題集 一問一答・模試 ships an update every 2 days, and Denken 3rd Class every 3 days. Most recently, 消防設備士乙種6類 2026年版 問題集 一問一答・模試 was updated on October 28, 2026 and Denken 3rd Class on October 31, 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.*