# 국어 vs 비수다

The clearest difference is review sentiment: 국어 at 100% against 비수다's 0%. 비수다's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price, monetization model, device support and iOS requirement there is nothing between them.

Both are free to download. 국어 sells 5 in-app purchases, starting at $5.99 per month. 비수다 asks for nothing beyond the download.

국어 ships an update fortnightly, 비수다 every 2 days. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 국어 | 비수다 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 107 MB | 53 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SEO JAEHYEONG](https://appshunter.io/developer/6783699263) | [Seungwoo Lee](https://appshunter.io/developer/1858119568) |

## What reviewers say

### 국어

[App page](https://appshunter.io/ios/app/id6783699261)

Master Korean vocabulary for academic success and practical communication. This app offers structured learning paths from elementary to adult levels, incorporating interactive exercises, spaced repetition, and engaging games to reinforce word knowledge. Build a personalized vocabulary collection and track your progress with detailed diagnostics.

**Highlights:** Structured learning paths for all ages, Interactive exercises and quizzes, Spaced repetition for effective memorization, Engaging vocabulary games, Progress tracking and diagnostics, Offline learning support, Customizable vocabulary lists

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 프리미엄 월간 | $5.99 | per month |
| 프리미엄 3개월 | $14.99 | per 3 months |
| 프리미엄 6개월 | $22.99 | per 6 months |
| 프리미엄 연간 | $29.99 | per year |
| 프리미엄 평생 | $69.99 | one-time |


### 비수다

[App page](https://appshunter.io/ios/app/3/id6795456254)

This app provides extensive practice for Korean college entrance exam reading comprehension passages. It offers a structured three-read approach, daily curated texts, and spaced repetition for reviewing incorrect answers. AI-powered explanations help users understand complex reasoning.

**Highlights:** Extensive practice with 185 passages and 2,041 questions, Structured three-read training method, Daily curated passages based on target exam date, Spaced repetition for reviewing incorrect answers, AI-powered explanations for difficult questions, Learning reminders to maintain study flow

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

**In-app purchases:** none


## Frequently asked questions

### Is 국어 free?

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

### Is 비수다 free?

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

### Do 국어 or 비수다 have ads?

국어 shows ads; 비수다 does not.

### Which is updated more often, 국어 or 비수다?

국어 ships an update fortnightly, and 비수다 every 2 days. Most recently, 국어 was updated on October 8, 2026 and 비수다 on October 14, 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.*