# 모두CBT vs 산업안전기사

The clearest difference is in-app purchases: 모두CBT at none against 산업안전기사's 1. 모두CBT also leads on review sentiment (25% vs 0%). 산업안전기사's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. 산업안전기사 sells 1 one-off in-app purchase. 모두CBT asks for nothing beyond the download.

모두CBT ships an update every 10 days, 산업안전기사 every 8 days. The most recent releases landed on September 30, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 모두CBT | 산업안전기사 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 10 days | **Every 8 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 1 MB | 34 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EUNKWANG SIM](https://appshunter.io/developer/1708558671) | [Qingdao Tomato Creative Technology Service Co., Ltd](https://appshunter.io/developer/1760477498) |

## What reviewers say

### 모두CBT

[App page](https://appshunter.io/ios/app/cbt/id6467386677)

This app provides practice tests and study materials for various national technical certifications. It offers mock exams, flashcards, AI-powered feedback, and progress tracking to help users prepare for their exams.

**Highlights:** Mock exams for national technical certifications, Flashcards for practical exam preparation, AI-powered grading and explanations, Automatic error note organization, Spaced repetition and review reminders, Exam schedule and eligibility information

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

**In-app purchases:** none


### 산업안전기사

[App page](https://appshunter.io/ios/app/cbt/id6741500736)

This app provides extensive past exam questions and detailed explanations to help users prepare for the Industrial Safety Engineer certification. It features intelligent error management, personalized favorites, and offline access for flexible learning. All core learning materials are available for free.

**Highlights:** 10 years of past exam questions, Scientific problem-solving by type, Detailed problem explanations, Intelligent incorrect answer management, Personalized favorites feature, Offline learning support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 광고 제거 | $3.99 | one-time |


## Frequently asked questions

### Is 모두CBT free?

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

### Is 산업안전기사 free?

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

### Do 모두CBT or 산업안전기사 have ads?

Both 모두CBT and 산업안전기사 show ads.

### Which is updated more often, 모두CBT or 산업안전기사?

모두CBT ships an update every 10 days, and 산업안전기사 every 8 days. Most recently, 모두CBT was updated on September 30, 2026 and 산업안전기사 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.*