# EBSi 고교강의 vs CLASSUM

The clearest difference is rating: CLASSUM at 3.8 against EBSi 고교강의's 3.0. CLASSUM also leads on review sentiment (63% vs 36%) and monetization model (free vs ad-supported). On price, ratings volume, 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.

CLASSUM holds the better App Store score, 3.8 against 3.0. Both are backed by a comparable volume of ratings — 15 and 19 respectively. Written reviews point the same way: 36% of EBSi 고교강의's written reviews are positive against 63% of CLASSUM's.

EBSi 고교강의 ships an update monthly, CLASSUM fortnightly. Both last shipped on September 26, 2026.

## The numbers

| Metric | EBSi 고교강의 | CLASSUM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (15 ratings)](https://appshunter.io/ios/app/ebsi/id669006959/reviews) | **[3.8 (19 ratings)](https://appshunter.io/ios/app/classum/id1397400392/reviews)** |
| Number of ratings | 15 | **19** |
| Positive reviews | 35.8% of reviews | **63.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Ad-supported | **Free** |
| Size | 23 MB | 85 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EBS(한국교육방송공사)](https://appshunter.io/developer/704213053) | [CLASSUM Co., Ltd.](https://appshunter.io/developer/1463925466) |

## What reviewers say

### EBSi 고교강의

[App page](https://appshunter.io/ios/app/ebsi/id669006959)

This app offers personalized learning experiences with AI-driven course recommendations and progress tracking. It provides features like variable speed playback, offline downloads, and a chatbot for homework help. Users can manage their courses, set learning goals, and connect with instructors.

**Highlights:** AI-powered course recommendations, Variable speed video playback, Offline course downloads, AI chatbot for homework help, Progress tracking and goal setting, Instructor profiles and updates, Customizable exam creation

**Features:** Vision Pro support

**In-app purchases:** none


### CLASSUM

[App page](https://appshunter.io/ios/app/classum/id1397400392)

This platform fosters active communication and engagement between students and instructors, creating a dynamic learning environment. It offers AI-powered tools for educators and students, alongside flexible features for global collaboration and system integration.

**Highlights:** SNS-style communication, Anonymous questions, AI tutor for students and instructors, Multi-language support, Flexible curriculum design, Team activity collaboration, Interactive challenges

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

**In-app purchases:** none


## Frequently asked questions

### Is EBSi 고교강의 free?

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

### Is CLASSUM free?

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

### Which has better reviews, EBSi 고교강의 or CLASSUM?

CLASSUM is rated higher. EBSi 고교강의 averages 3.0 out of 5 from 15 ratings, while CLASSUM averages 3.8 from 19 ratings.

### Do EBSi 고교강의 or CLASSUM have ads?

Neither EBSi 고교강의 nor CLASSUM shows ads.

### Which is updated more often, EBSi 고교강의 or CLASSUM?

EBSi 고교강의 ships an update monthly, and CLASSUM fortnightly. Most recently, EBSi 고교강의 was updated on September 26, 2026 and CLASSUM on September 26, 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.*