# 우리말 공부 vs K

The clearest difference is ads: 우리말 공부 at none against K's shown. 우리말 공부 also leads on iOS requirement (16.0 vs 18.6). K's advantage is update cadence (every 3 days vs every 2 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 우리말 공부 sells 1 one-off in-app purchase and K sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

우리말 공부 ships an update every 2 months, K every 3 days. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 우리말 공부 | K |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id1332548752/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 84.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 36 MB | 41 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [별책](https://appshunter.io/developer/569035377) | [Been KyoungSik](https://appshunter.io/developer/1874179329) |

## What reviewers say

### 우리말 공부

[App page](https://appshunter.io/ios/app/id1332548752)

This app offers a comprehensive collection of Korean language learning content, including spelling, pronunciation, spacing, vocabulary, and idioms. It features detailed explanations and covers the latest linguistic regulations, with over 8000 practice questions.

**Highlights:** Spelling, pronunciation, and spacing practice, Vocabulary and idiom learning, Detailed explanations and linguistic regulations, Topic and step-by-step problem solving, Keyword search function, Progress tracking with accuracy display, Dark mode support

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 무제한 이용권 | $2.99 | one-time |


### K

[App page](https://appshunter.io/ios/app/k-spacing-master/id6758647638)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 광고 제거 한달권 | $0.49 | one-time |
| AI 설명권 100회 | $0.49 | one-time |
| AI 설명권 한달 무제한 | $1.99 | one-time |
| 광고 제거 1년권 | $1.99 | one-time |


## Frequently asked questions

### Is 우리말 공부 free?

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

### Is K free?

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

### Do 우리말 공부 or K have ads?

K shows ads; 우리말 공부 does not.

### Which is updated more often, 우리말 공부 or K?

우리말 공부 ships an update every 2 months, and K every 3 days. Most recently, 우리말 공부 was updated on October 20, 2026 and K on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*