# AI先生　英検３級 vs 火薬類製造保安責任者

The clearest difference is in-app purchases: AI先生　英検３級 at none against 火薬類製造保安責任者's 1. 火薬類製造保安責任者's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 火薬類製造保安責任者 sells 1 one-off in-app purchase. AI先生　英検３級 asks for nothing beyond the download.

## The numbers

| Metric | AI先生　英検３級 | 火薬類製造保安責任者 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Size | 4 MB | 4 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [reiko hori](https://appshunter.io/developer/1777370692) | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) |

## What reviewers say

### AI先生　英検３級

[App page](https://appshunter.io/ios/app/ai/id6738570477)

**Features:** macOS Compatibility

**In-app purchases:** none


### 火薬類製造保安責任者

[App page](https://appshunter.io/ios/app/id6757766698)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 火薬類製造保安責任者（丙種） 試験対策 | $1.99 | one-time |


## Frequently asked questions

### Is AI先生　英検３級 free?

AI先生　英検３級 is free to download, with no in-app purchases.

### Is 火薬類製造保安責任者 free?

火薬類製造保安責任者 is free to download, with in-app purchases available.

### Do AI先生　英検３級 or 火薬類製造保安責任者 have ads?

AI先生　英検３級 shows ads; 火薬類製造保安責任者 does not.

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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.*