# 危険物取扱者 乙4 | 2026年対策問題 vs 社会福祉士・精神保健福祉士 過去問

The clearest difference is price: 社会福祉士・精神保健福祉士 過去問 at Free against 危険物取扱者 乙4 | 2026年対策問題's $1.99. 社会福祉士・精神保健福祉士 過去問 also leads on iOS requirement (15.0 vs 17.0). 危険物取扱者 乙4 | 2026年対策問題's advantage is in-app purchases (none vs 1). On update cadence, ads and device support there is nothing between them.

社会福祉士・精神保健福祉士 過去問 is free to download; 危険物取扱者 乙4 | 2026年対策問題 costs $1.99 up front. 社会福祉士・精神保健福祉士 過去問 sells 1 one-off in-app purchase. 危険物取扱者 乙4 | 2026年対策問題 asks for nothing beyond the download.

危険物取扱者 乙4 | 2026年対策問題 ships an update fortnightly, 社会福祉士・精神保健福祉士 過去問 every 10 days. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 危険物取扱者 乙4 | 2026年対策問題 | 社会福祉士・精神保健福祉士 過去問 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Paid | — |
| Size | 5 MB | 75 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masaki Kobayashi](https://appshunter.io/developer/1882180437) | [Hirotaka Kouso](https://appshunter.io/developer/1848885745) |

## What reviewers say

### 危険物取扱者 乙4 | 2026年対策問題

[App page](https://appshunter.io/ios/app/4-2026/id6764314779)

This app offers 700 original practice questions for the Class A Hazardous Materials Handler exam. It organizes difficult points by subject, provides detailed explanations for correct and incorrect answers, and supports offline use. Learn and understand the material thoroughly for exam preparation.

**Highlights:** 700 original practice questions, Detailed explanations for answers, Subject-specific learning, Randomized question order, Review of incorrect answers, Offline access

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

**In-app purchases:** none


### 社会福祉士・精神保健福祉士 過去問

[App page](https://appshunter.io/ios/app/id6789895020)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（全機能解放） | $9.99 | one-time |


## Frequently asked questions

### Is 危険物取扱者 乙4 | 2026年対策問題 free?

危険物取扱者 乙4 | 2026年対策問題 costs $1.99, with no in-app purchases.

### Is 社会福祉士・精神保健福祉士 過去問 free?

社会福祉士・精神保健福祉士 過去問 is free to download, with in-app purchases available.

### Do 危険物取扱者 乙4 | 2026年対策問題 or 社会福祉士・精神保健福祉士 過去問 have ads?

Neither 危険物取扱者 乙4 | 2026年対策問題 nor 社会福祉士・精神保健福祉士 過去問 shows ads.

### Which is updated more often, 危険物取扱者 乙4 | 2026年対策問題 or 社会福祉士・精神保健福祉士 過去問?

危険物取扱者 乙4 | 2026年対策問題 ships an update fortnightly, and 社会福祉士・精神保健福祉士 過去問 every 10 days. Most recently, 危険物取扱者 乙4 | 2026年対策問題 was updated on October 13, 2026 and 社会福祉士・精神保健福祉士 過去問 on October 16, 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.*