# 해커스보카 vs KAIST Mobile

The clearest difference is in-app purchases: KAIST Mobile at none against 해커스보카's 1. KAIST Mobile also leads on update cadence (daily vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 해커스보카 sells 1 one-off in-app purchase. KAIST Mobile asks for nothing beyond the download.

해커스보카 ships an update every 3 weeks, KAIST Mobile daily. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 해커스보카 | KAIST Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 70 MB | 3 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Champ Study Institute](https://appshunter.io/developer/466747997) | [Korea Advanced Institute of Science and Technology](https://appshunter.io/developer/421320802) |

## 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 |


### KAIST Mobile

[App page](https://appshunter.io/ios/app/kaist-mobile/id6740315544)

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

**In-app purchases:** none


## Frequently asked questions

### Is 해커스보카 free?

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

### Is KAIST Mobile free?

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

### Do 해커스보카 or KAIST Mobile have ads?

Neither 해커스보카 nor KAIST Mobile shows ads.

### Which is updated more often, 해커스보카 or KAIST Mobile?

해커스보카 ships an update every 3 weeks, and KAIST Mobile daily. Most recently, 해커스보카 was updated on October 27, 2026 and KAIST Mobile 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.*