# 시원스쿨 B2B vs 해커스 ONE

The clearest difference is rating: 시원스쿨 B2B at 4.8 against 해커스 ONE's 3.5. 시원스쿨 B2B also leads on monetization model (free vs free with in-app purchases) and iOS requirement (13.0 vs 15.1). 해커스 ONE's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. 시원스쿨 B2B sells 1 one-off in-app purchase and 해커스 ONE sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

시원스쿨 B2B holds the better App Store score, 4.8 against 3.5. Both are backed by a comparable volume of ratings — 13 and 10 respectively. Written reviews point the same way: 64% of 시원스쿨 B2B's written reviews are positive against 63% of 해커스 ONE's.

시원스쿨 B2B ships an update every 6 weeks, 해커스 ONE every 2 weeks. The most recent releases landed on September 10, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 시원스쿨 B2B | 해커스 ONE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (13 ratings)](https://appshunter.io/ios/app/b2b/id1466172973/reviews)** | [3.5 (10 ratings)](https://appshunter.io/ios/app/one/id1538534916/reviews) |
| Number of ratings | **13** | 10 |
| Positive reviews | **64.3% of reviews** | 62.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 89 MB | 135 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siwonschool](https://appshunter.io/developer/473647838) | [Champ Study Institute](https://appshunter.io/developer/466747997) |

## What reviewers say

### 시원스쿨 B2B

[App page](https://appshunter.io/ios/app/b2b/id1466172973)

This app provides access to all lectures for corporate and group members. Enjoy convenient lecture playback with background audio, seamless continuation, and offline downloads. Track your progress by package or individual course.

**Highlights:** Background playback, Lecture review/study question submission, Continue listening to lectures, Download and select lectures, View progress by package/course

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 기초영어 왕초보속성코스 | $99.99 | 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 시원스쿨 B2B free?

시원스쿨 B2B 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, 시원스쿨 B2B or 해커스 ONE?

시원스쿨 B2B is rated higher. 시원스쿨 B2B averages 4.8 out of 5 from 13 ratings, while 해커스 ONE averages 3.5 from 10 ratings.

### Do 시원스쿨 B2B or 해커스 ONE have ads?

Neither 시원스쿨 B2B nor 해커스 ONE shows ads.

### Which is updated more often, 시원스쿨 B2B or 해커스 ONE?

시원스쿨 B2B ships an update every 6 weeks, and 해커스 ONE every 2 weeks. Most recently, 시원스쿨 B2B was updated on September 10, 2026 and 해커스 ONE on September 23, 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.*