# 해커스 ONE vs MyKNOU

The clearest difference is in-app purchases: MyKNOU at none against 해커스 ONE's 4. MyKNOU also leads on review sentiment (90% vs 63%). 해커스 ONE's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

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

해커스 ONE ships an update every 2 weeks, MyKNOU every 2 months. The most recent releases landed on October 23, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 해커스 ONE | MyKNOU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (10 ratings)](https://appshunter.io/ios/app/one/id1538534916/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 62.9% of reviews | **90.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 192 MB | 42 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Champ Study Institute](https://appshunter.io/developer/466747997) | [Korea National Open University](https://appshunter.io/developer/504499080) |

## What reviewers say

### 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 |


### MyKNOU

[App page](https://appshunter.io/ios/app/myknou/id6526467596)

This official app provides essential academic services for undergraduate students. Manage course registration, view grades, submit assignments, and track attendance. Access campus resources and personalize your experience with customizable settings.

**Highlights:** Course registration and management, Assignment submission and grade checking, Attendance tracking, Academic information access, Campus resource integration, Personalized settings (dark mode, font size)

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

**In-app purchases:** none


## Frequently asked questions

### Is 해커스 ONE free?

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

### Is MyKNOU free?

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

### Do 해커스 ONE or MyKNOU have ads?

Neither 해커스 ONE nor MyKNOU shows ads.

### Which is updated more often, 해커스 ONE or MyKNOU?

해커스 ONE ships an update every 2 weeks, and MyKNOU every 2 months. Most recently, 해커스 ONE was updated on October 23, 2026 and MyKNOU on October 18, 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.*