# 해커스 핵심 토플 보카 vs 해커스 ONE

The clearest difference is review sentiment: 해커스 ONE at 63% against 해커스 핵심 토플 보카's 14%. 해커스 ONE also leads on rating (3.5 vs 2.0) and update cadence (fortnightly vs every 5 months). 해커스 핵심 토플 보카's advantage is monetization model (free vs free with in-app purchases). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 해커스 핵심 토플 보카 sells 4 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.

해커스 ONE holds the better App Store score, 3.5 against 2.0. That said, the two scores are not equally well evidenced: 해커스 ONE has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 14% of 해커스 핵심 토플 보카's written reviews are positive against 63% of 해커스 ONE's.

해커스 핵심 토플 보카 ships an update every 5 months, 해커스 ONE fortnightly. The most recent releases landed on October 12, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 해커스 핵심 토플 보카 | 해커스 ONE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (2 ratings)](https://appshunter.io/ios/app/id623135120/reviews) | **[3.5 (10 ratings)](https://appshunter.io/ios/app/one/id1538534916/reviews)** |
| Number of ratings | 2 | **10** |
| Positive reviews | 14.3% of reviews | **62.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 78 MB | 192 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hackers Co., Ltd.](https://appshunter.io/developer/455156528) | [Champ Study Institute](https://appshunter.io/developer/466747997) |

## What reviewers say

### 해커스 핵심 토플 보카

[App page](https://appshunter.io/ios/app/id623135120)

This app helps users master essential TOEFL vocabulary using content from best-selling textbooks. It offers various learning methods, listening modes, and final tests to reinforce learning. Users can also access study tips and track their progress.

**Highlights:** Core vocabulary from best-selling TOEFL textbooks, Audio pronunciation for words and meanings, Seven different learning and testing methods, Listening mode for hands-free study, Weekly final tests for vocabulary reinforcement, Study plans and progress tracking

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 해커스 토플 리딩 베이직 | $1.99 | one-time |
| 해커스 토플 리딩 인터미디엇 | $1.99 | one-time |
| 해커스 토플 리딩 | $1.99 | one-time |
| 해커스 토플 액츄얼 테스트 리딩 | $1.99 | one-time |


### 해커스 ONE

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

Access a wide range of online courses from Hackers in one app. Organize your lectures, utilize free learning materials, and connect with other students. Enjoy a personalized learning experience with features like note-taking and Q&A with instructors.

**Highlights:** Browse courses by interest, Access free lectures and study materials, Organize and play your lectures, Take notes and ask instructors questions, View course reviews and share learning info, Receive news and updates

**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 해커스 핵심 토플 보카 free?

해커스 핵심 토플 보카 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, 해커스 핵심 토플 보카 or 해커스 ONE?

해커스 ONE is rated higher. 해커스 핵심 토플 보카 averages 2.0 out of 5 from 2 ratings, while 해커스 ONE averages 3.5 from 10 ratings.

### Do 해커스 핵심 토플 보카 or 해커스 ONE have ads?

Neither 해커스 핵심 토플 보카 nor 해커스 ONE shows ads.

### Which is updated more often, 해커스 핵심 토플 보카 or 해커스 ONE?

해커스 핵심 토플 보카 ships an update every 5 months, and 해커스 ONE fortnightly. Most recently, 해커스 핵심 토플 보카 was updated on October 12, 2026 and 해커스 ONE on October 30, 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.*