# 수학대왕 vs 해커스 보카 어원편

The clearest difference is review sentiment: 수학대왕 at 88% against 해커스 보카 어원편's 27%. 수학대왕 also leads on in-app purchases (none vs 1). 해커스 보카 어원편's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 해커스 보카 어원편 sells 1 one-off in-app purchase. 수학대왕 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 수학대왕 | 해커스 보카 어원편 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (36 ratings)](https://appshunter.io/ios/app/ai/id1501165233/reviews)** | — |
| Number of ratings | **36** | — |
| Positive reviews | **87.5% of reviews** | 27.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | Monthly |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 86 MB | 52 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Turing Co.,Ltd.](https://appshunter.io/developer/1501165232) | [Champ Study Institute](https://appshunter.io/developer/466747997) |

## What reviewers say

### 수학대왕

[App page](https://appshunter.io/ios/app/ai/id1501165233)

This app offers a comprehensive solution for math studies, providing AI-driven analysis, practice problems, and concise video lectures. It helps users improve their scores by identifying weak areas and offering tailored learning paths. Features include personalized problem sets, original content, and progress tracking.

**Highlights:** AI-driven skill analysis, Personalized problem sets, Original practice problems, Short, efficient video lectures, Progress tracking and reports, Daily scholarship system

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

**In-app purchases:** none


### 해커스 보카 어원편

[App page](https://appshunter.io/ios/app/id1631965613)

Master English vocabulary for Korean college entrance exams and middle/high school studies through etymology. Learn words easily by associating them with their roots, reinforced with visual aids, example sentences, and interactive games. Build your own vocabulary lists for effective memorization.

**Highlights:** Etymology-based word learning, Visual explanations and root breakdowns, Real exam example sentences, Vocabulary games for memorization, Customizable word lists, Learning through word association

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 해커스 보카 어원편 어플 이용권 (3년) | $3.99 | one-time |


## Frequently asked questions

### Is 수학대왕 free?

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

### Is 해커스 보카 어원편 free?

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

### Do 수학대왕 or 해커스 보카 어원편 have ads?

수학대왕 shows ads; 해커스 보카 어원편 does not.

### Which is updated more often, 수학대왕 or 해커스 보카 어원편?

수학대왕 ships an update monthly, and 해커스 보카 어원편 monthly. Most recently, 수학대왕 was updated on October 15, 2026 and 해커스 보카 어원편 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.*