# 폴리텍 mClass vs 산업안전산업기사

The clearest difference is review sentiment: 산업안전산업기사 at 100% against 폴리텍 mClass's 0%. 폴리텍 mClass's advantage is ads (none vs shown) and update cadence (every 2 days vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

폴리텍 mClass ships an update every 2 days, 산업안전산업기사 every 3 months. The most recent releases landed on September 26, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 폴리텍 mClass | 산업안전산업기사 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 13 MB | 244 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) | [Jongmin Kim](https://appshunter.io/developer/1693759760) |

## 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/id6741509717)

Prepare for the Industrial Safety Engineer certification exam with this comprehensive app. It offers practice tests, audio playback of questions, detailed explanations, and a learning notebook. Study offline anytime, anywhere.

**Highlights:** 15 sets of latest practice questions, Yearly and subject-based question sets, Audio playback for questions, Randomized question mode, Detailed explanations for all questions, Learning notebook and audio lectures, Automatic saving of incorrect answers, Favorite questions for review

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

**In-app purchases:** none


## 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 no in-app purchases.

### 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 3 months. Most recently, 폴리텍 mClass was updated on September 26, 2026 and 산업안전산업기사 on October 6, 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.*