# 고등 영단어 vs 비수다

The clearest difference is review sentiment: 고등 영단어 at 100% against 비수다's 0%. 비수다's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and monetization model there is nothing between them.

Both are free to download. 고등 영단어 sells 1 one-off in-app purchase. 비수다 asks for nothing beyond the download.

고등 영단어 ships an update weekly, 비수다 every 2 days. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 고등 영단어 | 비수다 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 18 MB | 53 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [seung won park](https://appshunter.io/developer/1590481207) | [Seungwoo Lee](https://appshunter.io/developer/1858119568) |

## What reviewers say

### 고등 영단어

[App page](https://appshunter.io/ios/app/id6770872932)

This app helps you memorize vocabulary effectively through automatic spaced repetition. It focuses on reinforcing words you're about to forget and offers a multi-stage learning system to ensure complete understanding and application.

**Highlights:** Automatic spaced repetition, 4-stage learning system, Multi-level verification quizzes, Learning progress tracking, 3116 Korean SAT/High School vocabulary, Pronunciation audio support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 프리미엄 | $3.99 | 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 고등 영단어 free?

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

### Is 비수다 free?

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

### Do 고등 영단어 or 비수다 have ads?

고등 영단어 shows ads; 비수다 does not.

### Which is updated more often, 고등 영단어 or 비수다?

고등 영단어 ships an update weekly, and 비수다 every 2 days. Most recently, 고등 영단어 was updated on October 15, 2026 and 비수다 on October 24, 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.*