# 온라인 세종학당 vs IIRTECH한국어

The clearest difference is update cadence: IIRTECH한국어 at every 3 weeks against 온라인 세종학당's every 20 months. IIRTECH한국어 also leads on iOS requirement (10.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

온라인 세종학당 ships an update every 20 months, IIRTECH한국어 every 3 weeks. The most recent releases landed on October 2, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | 온라인 세종학당 | IIRTECH한국어 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1503428052/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 6 MB | 42 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Copyright 2017 King Sejong Institude Foundation All right reserved](https://appshunter.io/developer/1225535440) | [(주)이르테크](https://appshunter.io/developer/1445790061) |

## What reviewers say

### 온라인 세종학당

[App page](https://appshunter.io/ios/app/id1503428052)

Learn Korean online anytime, anywhere with comprehensive courses and content. Engage in online learning activities and receive feedback from Korean instructors. Choose learning paths based on your level and interests.

**Highlights:** Korean language courses, Online learning activities, Instructor feedback, Course search and application, Learning management, Study material management

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

**In-app purchases:** none


### IIRTECH한국어

[App page](https://appshunter.io/ios/app/iirtech/id1548673886)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 온라인 세종학당 free?

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

### Is IIRTECH한국어 free?

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

### Do 온라인 세종학당 or IIRTECH한국어 have ads?

Neither 온라인 세종학당 nor IIRTECH한국어 shows ads.

### Which is updated more often, 온라인 세종학당 or IIRTECH한국어?

온라인 세종학당 ships an update every 20 months, and IIRTECH한국어 every 3 weeks. Most recently, 온라인 세종학당 was updated on October 2, 2026 and IIRTECH한국어 on September 20, 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.*