# サクッと二級ボイラー技士1問1答【サクトレ】 vs 危険物乙4 一問一答・模試 オツスキ！

The clearest difference is ads: サクッと二級ボイラー技士1問1答【サクトレ】 at none against 危険物乙4 一問一答・模試 オツスキ！'s shown. サクッと二級ボイラー技士1問1答【サクトレ】 also leads on iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. サクッと二級ボイラー技士1問1答【サクトレ】 sells 1 one-off in-app purchase and 危険物乙4 一問一答・模試 オツスキ！ sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | サクッと二級ボイラー技士1問1答【サクトレ】 | 危険物乙4 一問一答・模試 オツスキ！ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 weeks |
| Size | 33 MB | 30 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DECRYPTION, CO., LTD.](https://appshunter.io/developer/1778172529) | [NAGAKAWA MASAHIKO](https://appshunter.io/developer/1872718412) |

## What reviewers say

### サクッと二級ボイラー技士1問1答【サクトレ】

[App page](https://appshunter.io/ios/app/11/id6766397514)

**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 |


### 危険物乙4 一問一答・模試 オツスキ！

[App page](https://appshunter.io/ios/app/4/id6801225154)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム | $2.99 | one-time |


## Frequently asked questions

### Is サクッと二級ボイラー技士1問1答【サクトレ】 free?

サクッと二級ボイラー技士1問1答【サクトレ】 is free to download, with in-app purchases available.

### Is 危険物乙4 一問一答・模試 オツスキ！ free?

危険物乙4 一問一答・模試 オツスキ！ is free to download, with in-app purchases available.

### Do サクッと二級ボイラー技士1問1答【サクトレ】 or 危険物乙4 一問一答・模試 オツスキ！ have ads?

危険物乙4 一問一答・模試 オツスキ！ shows ads; サクッと二級ボイラー技士1問1答【サクトレ】 does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*