# 폴리텍 mClass vs 산업안전산업기사

The clearest difference is in-app purchases: 폴리텍 mClass at none against 산업안전산업기사's 1. 폴리텍 mClass also leads on ads (none vs shown) and update cadence (every 2 days vs every 2 weeks). On price, review sentiment, device support and iOS requirement there is nothing between them.

Both are free to download. 산업안전산업기사 sells 1 one-off in-app purchase. 폴리텍 mClass asks for nothing beyond the download.

폴리텍 mClass ships an update every 2 days, 산업안전산업기사 every 2 weeks. The most recent releases landed on September 26, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 폴리텍 mClass | 산업안전산업기사 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 13 MB | 42 MB |
| Requires iOS | 13.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dynamic Media](https://appshunter.io/developer/519712368) | [Qingdao Tomato Creative Technology Service Co., Ltd](https://appshunter.io/developer/1760477498) |

## What reviewers say

### 폴리텍 mClass

[App page](https://appshunter.io/ios/app/mclass/id1537546932)

This remote education solution offers real-time lectures, face-to-face classes, and broadcast sessions. It supports learning through videos, images, and documents with progress tracking and assessments. Students can also submit assignments and receive feedback.

**Highlights:** Real-time lectures, Face-to-face classes, Content-based learning, Assignment submission, Progress tracking, Q&A features

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 폴리텍 mClass free?

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

### Is 산업안전산업기사 free?

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

### Do 폴리텍 mClass or 산업안전산업기사 have ads?

산업안전산업기사 shows ads; 폴리텍 mClass does not.

### Which is updated more often, 폴리텍 mClass or 산업안전산업기사?

폴리텍 mClass ships an update every 2 days, and 산업안전산업기사 every 2 weeks. Most recently, 폴리텍 mClass was updated on September 26, 2026 and 산업안전산업기사 on September 23, 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.*