# 第1種作業環境 vs サクッと危険物乙4 1問1答【サクトレ】

The clearest difference is device support: サクッと危険物乙4 1問1答【サクトレ】 at 3 against 第1種作業環境's —. サクッと危険物乙4 1問1答【サクトレ】 also leads on iOS requirement (12.0 vs 16.0). On price and in-app purchases there is nothing between them.

Both are free to download. 第1種作業環境 sells 1 one-off in-app purchase and サクッと危険物乙4 1問1答【サクトレ】 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 第1種作業環境 | サクッと危険物乙4 1問1答【サクトレ】 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Size | 5 MB | 32 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) | [DECRYPTION, CO., LTD.](https://appshunter.io/developer/1778172529) |

## What reviewers say

### 第1種作業環境

[App page](https://appshunter.io/ios/app/1/id6757163625)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 第一種作業環境測定士 試験対策 | $1.99 | one-time |


### 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 第1種作業環境 free?

第1種作業環境 is free to download, with in-app purchases available.

### 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.*