# AI先生　危険物乙４類 vs 毒物劇物取扱責任者 | 2026年対策問題

The clearest difference is price: AI先生　危険物乙４類 at Free against 毒物劇物取扱責任者 | 2026年対策問題's $1.99. 毒物劇物取扱責任者 | 2026年対策問題's advantage is device support. On in-app purchases and iOS requirement there is nothing between them.

AI先生　危険物乙４類 is free to download; 毒物劇物取扱責任者 | 2026年対策問題 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | AI先生　危険物乙４類 | 毒物劇物取扱責任者 | 2026年対策問題 |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Paid |
| Size | 4 MB | 5 MB |
| Requires iOS | 18.1 | **17.0** |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [reiko hori](https://appshunter.io/developer/1777370692) | [Masaki Kobayashi](https://appshunter.io/developer/1882180437) |

## What reviewers say

### AI先生　危険物乙４類

[App page](https://appshunter.io/ios/app/ai/id6738078612)

**In-app purchases:** none


### 毒物劇物取扱責任者 | 2026年対策問題

[App page](https://appshunter.io/ios/app/2026/id6773925931)

This app offers 800 original practice questions for the Poison and Deleterious Substances Control Manager exam. It organizes content by field, provides detailed explanations for correct and incorrect answers, and supports offline use. It's designed for comprehensive understanding and efficient learning.

**Highlights:** 800 original practice questions, Detailed explanations for answers, Field-specific learning, Randomized question order, Review of incorrect answers, Offline access, No ads or in-app purchases

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

**In-app purchases:** none


## Frequently asked questions

### Is AI先生　危険物乙４類 free?

AI先生　危険物乙４類 is free to download, with no in-app purchases.

### Is 毒物劇物取扱責任者 | 2026年対策問題 free?

毒物劇物取扱責任者 | 2026年対策問題 costs $1.99, 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.*