# HB OTP vs 캐츠업 모바일 OMR

The clearest difference is update cadence: HB OTP at every 5 weeks against 캐츠업 모바일 OMR's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

HB OTP ships an update every 5 weeks, 캐츠업 모바일 OMR every 3 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | HB OTP | 캐츠업 모바일 OMR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 8 MB | 7 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [(주)해법에듀](https://appshunter.io/developer/1091818260) | [(주)단비교육 (Danbi Education Co. ,Ltd.)](https://appshunter.io/developer/1294082775) |

## What reviewers say

### HB OTP

[App page](https://appshunter.io/ios/app/hb-otp/id6450350991)

**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 HB OTP free?

HB OTP 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 HB OTP or 캐츠업 모바일 OMR have ads?

Neither HB OTP nor 캐츠업 모바일 OMR shows ads.

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

HB OTP ships an update every 5 weeks, and 캐츠업 모바일 OMR every 3 months. Most recently, HB OTP 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.*