# IIRTECH한국어 vs TOPIK

The clearest difference is in-app purchases: IIRTECH한국어 at none against TOPIK's 1. IIRTECH한국어 also leads on ads (none vs shown) and iOS requirement (10.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. TOPIK sells 1 one-off in-app purchase. IIRTECH한국어 asks for nothing beyond the download.

IIRTECH한국어 ships an update every 3 weeks, TOPIK every 10 days. The most recent releases landed on September 20, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | IIRTECH한국어 | TOPIK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (96 ratings)](https://appshunter.io/ios/app/topik-learn-korean/id1566963194/reviews)** |
| Number of ratings | — | **96** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 42 MB | 33 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [(주)이르테크](https://appshunter.io/developer/1445790061) | [Hyungpil Kim](https://appshunter.io/developer/1566963196) |

## What reviewers say

### IIRTECH한국어

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

**Features:** macOS Compatibility

**In-app purchases:** none


### TOPIK

[App page](https://appshunter.io/ios/app/topik-learn-korean/id1566963194)

Master Korean vocabulary and grammar from beginner to advanced. Enhance reading and listening with practice questions and engage in practical conversations to improve speaking skills. Quickly assess your TOPIK level with random question tests.

**Highlights:** Vocabulary and grammar improvement, Reading and listening skill enhancement, TOPIK practice questions, 100 practical conversations, Quick TOPIK level testing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Upgrade | $5.99 | one-time |


## Frequently asked questions

### Is IIRTECH한국어 free?

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

### Is TOPIK free?

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

### Do IIRTECH한국어 or TOPIK have ads?

TOPIK shows ads; IIRTECH한국어 does not.

### Which is updated more often, IIRTECH한국어 or TOPIK?

IIRTECH한국어 ships an update every 3 weeks, and TOPIK every 10 days. Most recently, IIRTECH한국어 was updated on September 20, 2026 and TOPIK on October 23, 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.*