# 어휘역 vs 문어 선생님

The clearest difference is in-app purchases: 문어 선생님 at none against 어휘역's 5. 문어 선생님 also leads on review sentiment (100% vs 88%). 어휘역's advantage is update cadence (every 5 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 어휘역 sells 5 one-off in-app purchases. 문어 선생님 asks for nothing beyond the download.

어휘역 ships an update every 5 days, 문어 선생님 every 3 months. The most recent releases landed on September 27, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | 어휘역 | 문어 선생님 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/id6476744942/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 88.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | **Free** | Ad-supported |
| Size | 107 MB | 51 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Sunghee Lee](https://appshunter.io/developer/1477689060) | [HFX Lab](https://appshunter.io/developer/1139262927) |

## What reviewers say

### 어휘역

[App page](https://appshunter.io/ios/app/id6476744942)

This game helps you recall and strengthen your vocabulary by guessing words. It challenges you to think of related nouns and provides a "relatedness score" to guide your guesses, making learning fun for all ages.

**Highlights:** Word guessing gameplay, Relatedness score for hints, Focus on nouns, Vocabulary expansion, Language comprehension improvement, Stimulates imagination and creativity

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 어휘역 직행 티켓 | $0.49 | one-time |
| 어휘역 직행 티켓 | $1.99 | one-time |
| 어휘역 직행 티켓 | $2.99 | one-time |
| 어휘역 직행 티켓 | $4.99 | one-time |
| 어휘역 직행 티켓 | $6.99 | one-time |


### 문어 선생님

[App page](https://appshunter.io/ios/app/id6736636671)

This game helps you improve your reading comprehension and vocabulary by completing word definitions. It offers a fun and engaging way to learn new words and understand their meanings accurately.

**Highlights:** Complete word definitions, Improve reading comprehension, Enhance vocabulary, Engaging learning experience, Fun word games

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

**In-app purchases:** none


## Frequently asked questions

### Is 어휘역 free?

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

### Is 문어 선생님 free?

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

### Do 어휘역 or 문어 선생님 have ads?

Both 어휘역 and 문어 선생님 show ads.

### Which is updated more often, 어휘역 or 문어 선생님?

어휘역 ships an update every 5 days, and 문어 선생님 every 3 months. Most recently, 어휘역 was updated on September 27, 2026 and 문어 선생님 on September 25, 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.*