# 산업안전OX vs 산림기사

The clearest difference is in-app purchases: 산림기사 at none against 산업안전OX's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 산업안전OX sells 3 in-app purchases, starting at $2.99 per month. 산림기사 asks for nothing beyond the download.

## The numbers

| Metric | 산업안전OX | 산림기사 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | — | Every 2 months |
| Size | 35 MB | 208 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHAE HYUCK LEE](https://appshunter.io/developer/1658701307) | [Jongmin Kim](https://appshunter.io/developer/1693759760) |

## What reviewers say

### 산업안전OX

[App page](https://appshunter.io/ios/app/ox/id6738162182)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 무제한 해설권 | $2.99 | per month |
| 단원 설정권 | $2.99 | per month |
| 평생 자유 이용권 | $19.99 | one-time |


### 산림기사

[App page](https://appshunter.io/ios/app/id6742226297)

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

**In-app purchases:** none


## Frequently asked questions

### Is 산업안전OX free?

산업안전OX is free to download, with in-app purchases available.

### Is 산림기사 free?

산림기사 is free to download, with no in-app purchases.

### Do 산업안전OX or 산림기사 have ads?

Both 산업안전OX and 산림기사 show ads.

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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.*