# 消防設備士 vs 危険物乙4Pass

The clearest difference is ads: 消防設備士 at none against 危険物乙4Pass's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 消防設備士 sells 1 one-off in-app purchase and 危険物乙4Pass sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 消防設備士 | 危険物乙4Pass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Weekly |
| Size | 5 MB | 43 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) | [KANDK](https://appshunter.io/developer/1867080143) |

## What reviewers say

### 消防設備士

[App page](https://appshunter.io/ios/app/3/id6758129297)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 消防設備士（乙種・3類） 試験対策 | $1.99 | one-time |


### 危険物乙4Pass

[App page](https://appshunter.io/ios/app/4pass-4/id6768249746)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $1.99 | one-time |


## Frequently asked questions

### Is 消防設備士 free?

消防設備士 is free to download, with in-app purchases available.

### Is 危険物乙4Pass free?

危険物乙4Pass is free to download, with in-app purchases available.

### Do 消防設備士 or 危険物乙4Pass have ads?

危険物乙4Pass shows ads; 消防設備士 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.*