# 이투스 수강앱 vs 수학대왕

The clearest difference is review sentiment: 수학대왕 at 88% against 이투스 수강앱's 13%. 수학대왕 also leads on rating (4.4 vs 1.3) and in-app purchases (none vs 1). 이투스 수강앱's advantage is ads (none vs shown). On price, ratings volume, device support and iOS requirement there is nothing between them.

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

수학대왕 holds the better App Store score, 4.4 against 1.3. Both are backed by a comparable volume of ratings — 13 and 36 respectively. Written reviews point the same way: 13% of 이투스 수강앱's written reviews are positive against 88% of 수학대왕's.

이투스 수강앱 ships an update every 2 months, 수학대왕 monthly. The most recent releases landed on September 25, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 이투스 수강앱 | 수학대왕 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (13 ratings)](https://appshunter.io/ios/app/smart-study/id1486564159/reviews) | **[4.4 (36 ratings)](https://appshunter.io/ios/app/ai/id1501165233/reviews)** |
| Number of ratings | 13 | **36** |
| Positive reviews | 12.5% of reviews | **87.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Ad-supported |
| Size | 64 MB | 86 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Etoos Education](https://appshunter.io/developer/403650801) | [Turing Co.,Ltd.](https://appshunter.io/developer/1501165232) |

## What reviewers say

### 이투스 수강앱

[App page](https://appshunter.io/ios/app/smart-study/id1486564159)

This app offers a streamlined learning experience with personalized course recommendations and exclusive content from top instructors. Enjoy features like quick streaming, offline downloads, direct Q&A with teachers, and customizable playback options for efficient study.

**Highlights:** Personalized course recommendations, Exclusive original content, Offline lecture downloads, Direct Q&A with instructors, Customizable playback speed and features, New UX/UI for user convenience

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 이투스머니충전 10,000 | $11.99 | one-time |


### 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


## Frequently asked questions

### Is 이투스 수강앱 free?

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

### Is 수학대왕 free?

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

### Which has better reviews, 이투스 수강앱 or 수학대왕?

수학대왕 is rated higher. 이투스 수강앱 averages 1.3 out of 5 from 13 ratings, while 수학대왕 averages 4.4 from 36 ratings.

### Do 이투스 수강앱 or 수학대왕 have ads?

수학대왕 shows ads; 이투스 수강앱 does not.

### Which is updated more often, 이투스 수강앱 or 수학대왕?

이투스 수강앱 ships an update every 2 months, and 수학대왕 monthly. Most recently, 이투스 수강앱 was updated on September 25, 2026 and 수학대왕 on September 24, 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.*