# 비상교육 비상교재 vs 캐츠업 모바일 OMR

The clearest difference is review sentiment: 캐츠업 모바일 OMR at 100% against 비상교육 비상교재's 18%. 캐츠업 모바일 OMR also leads on update cadence (every 3 months vs every 40 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

비상교육 비상교재 ships an update every 40 months, 캐츠업 모바일 OMR every 3 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 비상교육 비상교재 | 캐츠업 모바일 OMR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 18.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 17 MB | 7 MB |
| Requires iOS | 15 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [VISANG EDUCATION INC](https://appshunter.io/developer/992780061) | [(주)단비교육 (Danbi Education Co. ,Ltd.)](https://appshunter.io/developer/1294082775) |

## What reviewers say

### 비상교육 비상교재

[App page](https://appshunter.io/ios/app/id1481744652)

Access a wide range of educational materials and services for elementary, middle, and high school subjects. Discover textbooks, download related learning resources, and participate in events and promotions.

**Highlights:** Textbook and material information, Textbook preview, Personalized scrapbooking, Search history, Enhanced search functionality, Event participation, Notification service

**Features:** macOS Compatibility

**In-app purchases:** none


### 캐츠업 모바일 OMR

[App page](https://appshunter.io/ios/app/omr/id6476922565)

This app simplifies homework and assignments given by your academy teachers. Automatically grade quizzes, receive personalized feedback on incorrect answers, and track your progress to improve your skills and grades.

**Highlights:** Automated grading, Personalized feedback, Assignment submission, Progress tracking, Skill improvement

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

**In-app purchases:** none


## Frequently asked questions

### Is 비상교육 비상교재 free?

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

### Is 캐츠업 모바일 OMR free?

캐츠업 모바일 OMR is free to download, with no in-app purchases.

### Do 비상교육 비상교재 or 캐츠업 모바일 OMR have ads?

Neither 비상교육 비상교재 nor 캐츠업 모바일 OMR shows ads.

### Which is updated more often, 비상교육 비상교재 or 캐츠업 모바일 OMR?

비상교육 비상교재 ships an update every 40 months, and 캐츠업 모바일 OMR every 3 months. Most recently, 비상교육 비상교재 was updated on November 3, 2026 and 캐츠업 모바일 OMR on November 4, 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.*