# AI先生　危険物乙４類 vs サクッと危険物乙4 1問1答【サクトレ】

The clearest difference is in-app purchases: AI先生　危険物乙４類 at none against サクッと危険物乙4 1問1答【サクトレ】's 1. サクッと危険物乙4 1問1答【サクトレ】's advantage is device support and iOS requirement (12.0 vs 18.1). On price there is nothing between them.

Both are free to download. サクッと危険物乙4 1問1答【サクトレ】 sells 1 one-off in-app purchase. AI先生　危険物乙４類 asks for nothing beyond the download.

## The numbers

| Metric | AI先生　危険物乙４類 | サクッと危険物乙4 1問1答【サクトレ】 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Size | 4 MB | 32 MB |
| Requires iOS | 18.1 | **12.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [reiko hori](https://appshunter.io/developer/1777370692) | [DECRYPTION, CO., LTD.](https://appshunter.io/developer/1778172529) |

## 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


### サクッと危険物乙4 1問1答【サクトレ】

[App page](https://appshunter.io/ios/app/4-11/id6764759755)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全問題アンロック | $1.99 | one-time |


## 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 サクッと危険物乙4 1問1答【サクトレ】 free?

サクッと危険物乙4 1問1答【サクトレ】 is free to download, with in-app purchases available.

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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.*