# 김과외(대한민국 대표 과외 플랫폼) vs 해커스 ONE

The clearest difference is rating: 김과외(대한민국 대표 과외 플랫폼) at 4.8 against 해커스 ONE's 3.5. 김과외(대한민국 대표 과외 플랫폼) also leads on review sentiment (100% vs 63%) and monetization model (free vs free with in-app purchases). 해커스 ONE's advantage is update cadence (every 2 weeks vs monthly). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. 김과외(대한민국 대표 과외 플랫폼) sells 5 one-off in-app purchases and 해커스 ONE sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

김과외(대한민국 대표 과외 플랫폼) holds the better App Store score, 4.8 against 3.5. Both are backed by a comparable volume of ratings — 6 and 10 respectively. Written reviews point the same way: 100% of 김과외(대한민국 대표 과외 플랫폼)'s written reviews are positive against 63% of 해커스 ONE's.

김과외(대한민국 대표 과외 플랫폼) ships an update monthly, 해커스 ONE every 2 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 김과외(대한민국 대표 과외 플랫폼) | 해커스 ONE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/id1392809044/reviews)** | [3.5 (10 ratings)](https://appshunter.io/ios/app/one/id1538534916/reviews) |
| Number of ratings | 6 | **10** |
| Positive reviews | **100.0% of reviews** | 62.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 160 MB | 192 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [jaeyong kim](https://appshunter.io/developer/992836253) | [Champ Study Institute](https://appshunter.io/developer/466747997) |

## What reviewers say

### 김과외(대한민국 대표 과외 플랫폼)

[App page](https://appshunter.io/ios/app/id1392809044)

Connect with verified tutors for personalized lessons across a wide range of subjects. Find the perfect match based on qualifications, fees, and reviews. Access valuable educational resources and join a supportive community for academic guidance.

**Highlights:** Verified tutor profiles, Advanced search filters, Extensive subject coverage, Unlimited consultations, Member reviews and ratings, Exclusive member benefits, Downloadable study materials

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2,700 캐시 | $2.99 | one-time |
| 5,300 캐시 | $4.99 | one-time |
| 10,000 캐시 | $8.99 | one-time |
| 30,000 캐시 | $26.99 | one-time |
| 299,000원 | $199.99 | one-time |


### 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 김과외(대한민국 대표 과외 플랫폼) free?

김과외(대한민국 대표 과외 플랫폼) is free to download, with in-app purchases available.

### Is 해커스 ONE free?

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

### Which has better reviews, 김과외(대한민국 대표 과외 플랫폼) or 해커스 ONE?

김과외(대한민국 대표 과외 플랫폼) is rated higher. 김과외(대한민국 대표 과외 플랫폼) averages 4.8 out of 5 from 6 ratings, while 해커스 ONE averages 3.5 from 10 ratings.

### Do 김과외(대한민국 대표 과외 플랫폼) or 해커스 ONE have ads?

Neither 김과외(대한민국 대표 과외 플랫폼) nor 해커스 ONE shows ads.

### Which is updated more often, 김과외(대한민국 대표 과외 플랫폼) or 해커스 ONE?

김과외(대한민국 대표 과외 플랫폼) ships an update monthly, and 해커스 ONE every 2 weeks. Most recently, 김과외(대한민국 대표 과외 플랫폼) was updated on October 26, 2026 and 해커스 ONE on October 25, 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.*