# 강남인강 vs 개념원리ai

The clearest difference is rating: 개념원리ai at 3.7 against 강남인강's 2.3. 개념원리ai also leads on review sentiment (95% vs 67%) and monetization model (free vs free with in-app purchases). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

개념원리ai holds the better App Store score, 3.7 against 2.3. Both are backed by a comparable volume of ratings — 9 and 6 respectively. Written reviews point the same way: 67% of 강남인강's written reviews are positive against 95% of 개념원리ai's.

강남인강 ships an update every 6 weeks, 개념원리ai fortnightly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 강남인강 | 개념원리ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (9 ratings)](https://appshunter.io/ios/app/id804662715/reviews) | **[3.7 (6 ratings)](https://appshunter.io/ios/app/ai/id6467370741/reviews)** |
| Number of ratings | **9** | 6 |
| Positive reviews | 66.7% of reviews | **95.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 16 MB | 145 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GANGNAM-GU OFFICE](https://appshunter.io/developer/804662718) | [(주)개념원리](https://appshunter.io/developer/1589346598) |

## What reviewers say

### 강남인강

[App page](https://appshunter.io/ios/app/id804662715)

This app provides systematic, personalized learning with star instructors. It helps students develop self-directed learning skills and improve their grades through structured courses and progress tracking.

**Highlights:** Video streaming and download, Course management, Grade-specific subject courses, Community participation, Adjustable playback speed

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

**In-app purchases:** none


### 개념원리ai

[App page](https://appshunter.io/ios/app/ai/id6467370741)

This app combines a popular math textbook with AI to offer personalized learning. It provides free assessments with detailed explanations, allows users to create custom problem notes, and features a ranking system for friendly competition. Prepare for exams with AI-predicted questions and access a vast problem bank for all middle and high school levels.

**Highlights:** Personalized assessments with free detailed explanations, Customizable problem notes for focused review, AI-predicted exam questions based on school and curriculum, Extensive problem bank for all grades, Interactive ranking system and missions for motivation, Study groups and Q&A for collaborative learning

**In-app purchases:** none


## Frequently asked questions

### Is 강남인강 free?

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

### Is 개념원리ai free?

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

### Which has better reviews, 강남인강 or 개념원리ai?

개념원리ai is rated higher. 강남인강 averages 2.3 out of 5 from 9 ratings, while 개념원리ai averages 3.7 from 6 ratings.

### Do 강남인강 or 개념원리ai have ads?

Neither 강남인강 nor 개념원리ai shows ads.

### Which is updated more often, 강남인강 or 개념원리ai?

강남인강 ships an update every 6 weeks, and 개념원리ai fortnightly. Most recently, 강남인강 was updated on November 1, 2026 and 개념원리ai on November 3, 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.*