# EBSi 고교강의 vs 해커스 ONE

The clearest difference is rating: 해커스 ONE at 3.5 against EBSi 고교강의's 3.0. 해커스 ONE also leads on review sentiment (63% vs 36%) and update cadence (every 2 weeks vs monthly). EBSi 고교강의's advantage is in-app purchases (none vs 4). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. 해커스 ONE sells 4 one-off in-app purchases. EBSi 고교강의 asks for nothing beyond the download.

해커스 ONE holds the better App Store score, 3.5 against 3.0. Both are backed by a comparable volume of ratings — 15 and 10 respectively. Written reviews point the same way: 36% of EBSi 고교강의's written reviews are positive against 63% of 해커스 ONE's.

EBSi 고교강의 ships an update monthly, 해커스 ONE every 2 weeks. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | EBSi 고교강의 | 해커스 ONE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (15 ratings)](https://appshunter.io/ios/app/ebsi/id669006959/reviews) | **[3.5 (10 ratings)](https://appshunter.io/ios/app/one/id1538534916/reviews)** |
| Number of ratings | **15** | 10 |
| Positive reviews | 35.8% of reviews | **62.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 23 MB | 192 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) | [Champ Study Institute](https://appshunter.io/developer/466747997) |

## 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


### 해커스 ONE

[App page](https://appshunter.io/ios/app/one/id1538534916)

Access a wide range of online courses from Hackers in various fields like language, civil service exams, and professional certifications. Enjoy convenient features like personalized course lists, free lectures, and study materials.

**Highlights:** Browse courses by interest, View lecture, textbook, and review info, Access free lectures and study materials, Play lectures directly from 'My Lectures', Organize lectures with DIY features, Utilize notepad and Q&A features, Receive news and share study information

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 왕초보  그림으로 배우는 일본어 회화 | $2.99 | one-time |
| 원어민이 알려주는 리얼 여행영어 - 해외 현지 촬영 | $2.99 | one-time |
| 이유리의 누구나 쉽게 배우는 여행 중국어 (전반부) | $2.99 | one-time |
| 제2외국어 대표강의 - 9강좌 종합 | $30.99 | one-time |


## Frequently asked questions

### Is EBSi 고교강의 free?

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

### Is 해커스 ONE free?

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

### Which has better reviews, EBSi 고교강의 or 해커스 ONE?

해커스 ONE is rated higher. EBSi 고교강의 averages 3.0 out of 5 from 15 ratings, while 해커스 ONE averages 3.5 from 10 ratings.

### Do EBSi 고교강의 or 해커스 ONE have ads?

Neither EBSi 고교강의 nor 해커스 ONE shows ads.

### Which is updated more often, EBSi 고교강의 or 해커스 ONE?

EBSi 고교강의 ships an update monthly, and 해커스 ONE every 2 weeks. Most recently, EBSi 고교강의 was updated on October 14, 2026 and 해커스 ONE on October 13, 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.*