# 위험물기능사 vs 산업안전산업기사

The clearest difference is update cadence: 산업안전산업기사 at every 2 weeks against 위험물기능사's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 위험물기능사 sells 2 one-off in-app purchases and 산업안전산업기사 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

위험물기능사 ships an update every 5 weeks, 산업안전산업기사 every 2 weeks. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 위험물기능사 | 산업안전산업기사 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 90 MB | 42 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jongmin Kim](https://appshunter.io/developer/1693759760) | [Qingdao Tomato Creative Technology Service Co., Ltd](https://appshunter.io/developer/1760477498) |

## What reviewers say

### 위험물기능사

[App page](https://appshunter.io/ios/app/id6740766549)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 광고 제거 | $2.99 | one-time |
| 후원 하기 | $5.99 | one-time |


### 산업안전산업기사

[App page](https://appshunter.io/ios/app/cbt/id6742121484)

This app provides 10 years of past exam questions and detailed explanations to help you prepare for the Industrial Safety Engineer certification. It features intelligent error management and personalized favorites to reinforce learning and avoid repeated mistakes.

**Highlights:** 10 years of past exam questions, Scientific problem-solving by type, Detailed explanations for all questions, Intelligent incorrect answer management, Personalized favorites function, Completely free to use

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 고급 기능 | $3.99 | one-time |


## Frequently asked questions

### Is 위험물기능사 free?

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

### Is 산업안전산업기사 free?

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

### Do 위험물기능사 or 산업안전산업기사 have ads?

Both 위험물기능사 and 산업안전산업기사 show ads.

### Which is updated more often, 위험물기능사 or 산업안전산업기사?

위험물기능사 ships an update every 5 weeks, and 산업안전산업기사 every 2 weeks. Most recently, 위험물기능사 was updated on October 24, 2026 and 산업안전산업기사 on October 10, 2026.

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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.*