# 해커스보카 vs 중앙더하기(신)

The clearest difference is in-app purchases: 중앙더하기(신) at none against 해커스보카's 1. 해커스보카's advantage is review sentiment (55% vs 27%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 해커스보카 sells 1 one-off in-app purchase. 중앙더하기(신) asks for nothing beyond the download.

해커스보카 ships an update every 3 weeks, 중앙더하기(신) every 2 weeks. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 해커스보카 | 중앙더하기(신) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **54.5% of reviews** | 27.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 70 MB | 16 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Champ Study Institute](https://appshunter.io/developer/466747997) | [University of Chung-Ang](https://appshunter.io/developer/524934084) |

## What reviewers say

### 해커스보카

[App page](https://appshunter.io/ios/app/sat/id6443891707)

Master English vocabulary for various exams like TOEFL, IELTS, and SAT with engaging games and personalized learning tools. This app offers free vocabulary games and optional paid features for comprehensive word study.

**Highlights:** Vocabulary games for effective memorization, Selectable study days for focused learning, Create and review custom word lists, Access to recommended English learning resources, Paid features for full textbook vocabulary study, Synonym quizzes and example sentence reviews

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 해커스토플보카 365일 이용권 | $9.99 | one-time |


### 중앙더하기(신)

[App page](https://appshunter.io/ios/app/id6748509217)

This official university app integrates essential services for students and staff. Access e-ID, attendance, shuttle bus schedules, portal information, and field training details in one place.

**Highlights:** Integrated campus services, e-ID access, Electronic attendance, Shuttle bus information, Portal access, Field training details

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is 해커스보카 free?

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

### Is 중앙더하기(신) free?

중앙더하기(신) is free to download, with no in-app purchases.

### Do 해커스보카 or 중앙더하기(신) have ads?

Neither 해커스보카 nor 중앙더하기(신) shows ads.

### Which is updated more often, 해커스보카 or 중앙더하기(신)?

해커스보카 ships an update every 3 weeks, and 중앙더하기(신) every 2 weeks. Most recently, 해커스보카 was updated on October 25, 2026 and 중앙더하기(신) on October 9, 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.*