# 캐츠업 모바일 OMR vs 클래스데이

The clearest difference is update cadence: 클래스데이 at every 4 days against 캐츠업 모바일 OMR's every 3 months. On price, review sentiment, ads and in-app purchases there is nothing between them.

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

캐츠업 모바일 OMR ships an update every 3 months, 클래스데이 every 4 days. Both last shipped on November 4, 2026.

## The numbers

| Metric | 캐츠업 모바일 OMR | 클래스데이 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 7 MB | 143 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [(주)단비교육 (Danbi Education Co. ,Ltd.)](https://appshunter.io/developer/1294082775) | [Beco.Inc](https://appshunter.io/developer/1730832736) |

## What reviewers say

### 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


### 클래스데이

[App page](https://appshunter.io/ios/app/id6502565527)

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

**In-app purchases:** none


## Frequently asked questions

### Is 캐츠업 모바일 OMR free?

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

### Is 클래스데이 free?

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

### Do 캐츠업 모바일 OMR or 클래스데이 have ads?

Neither 캐츠업 모바일 OMR nor 클래스데이 shows ads.

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

캐츠업 모바일 OMR ships an update every 3 months, and 클래스데이 every 4 days. Most recently, 캐츠업 모바일 OMR was updated on November 4, 2026 and 클래스데이 on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*