# 캐츠업 모바일 OMR vs Eumjari

The clearest difference is in-app purchases: 캐츠업 모바일 OMR at none against Eumjari's 2. Eumjari's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Eumjari sells 2 in-app purchases, starting at $1.99 per month. 캐츠업 모바일 OMR asks for nothing beyond the download.

캐츠업 모바일 OMR ships an update every 3 months, Eumjari every 2 weeks. The most recent releases landed on October 9, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 캐츠업 모바일 OMR | Eumjari |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 7 MB | 3 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [(주)단비교육 (Danbi Education Co. ,Ltd.)](https://appshunter.io/developer/1294082775) | [HO SANG JUN](https://appshunter.io/developer/6801973593) |

## 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


### Eumjari

[App page](https://appshunter.io/ios/app/eumjari/id6802249653)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Eumjari PRO | $1.99 | per month |
| Eumjari PRO | $17.99 | per year |


## Frequently asked questions

### Is 캐츠업 모바일 OMR free?

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

### Is Eumjari free?

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

### Do 캐츠업 모바일 OMR or Eumjari have ads?

Neither 캐츠업 모바일 OMR nor Eumjari shows ads.

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

캐츠업 모바일 OMR ships an update every 3 months, and Eumjari every 2 weeks. Most recently, 캐츠업 모바일 OMR was updated on October 9, 2026 and Eumjari on September 30, 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.*