# Mentors (멘토스북) vs 자리영어

The clearest difference is review sentiment: 자리영어 at 100% against Mentors (멘토스북)'s 25%. 자리영어 also leads on update cadence (every 3 days vs every 13 months). Mentors (멘토스북)'s advantage is in-app purchases (none vs 4) and iOS requirement (12.4 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 자리영어 sells 4 one-off in-app purchases. Mentors (멘토스북) asks for nothing beyond the download.

Mentors (멘토스북) ships an update every 13 months, 자리영어 every 3 days. The most recent releases landed on October 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mentors (멘토스북) | 자리영어 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (26 ratings)](https://appshunter.io/ios/app/id6759596457/reviews)** |
| Number of ratings | — | **26** |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 4 MB | 107 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Hong Suh](https://appshunter.io/developer/1325557308) | [shortcutEdu](https://appshunter.io/developer/1794034712) |

## What reviewers say

### Mentors (멘토스북)

[App page](https://appshunter.io/ios/app/mentors/id1325557309)

Access and download MP3 or video lectures from Mentors books for free. Features include repeat playback, speed control, and background listening to maximize learning effectiveness. Organize your personal study files in dedicated sections.

**Highlights:** Free MP3/video lecture access, Download lectures, Section repeat playback, Playback speed control, Background listening, Personal file organization

**Features:** macOS Compatibility

**In-app purchases:** none


### 자리영어

[App page](https://appshunter.io/ios/app/id6759596457)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 부스터 클래스 1강 | $9.99 | one-time |
| 앞대가리 공식 수강 클래스 | $69.99 | one-time |
| 발음·문법 바로잡기 수강 클래스 | $249.99 | one-time |
| 앞대가리부터 꼬리까지 100강 클래스 | $399.99 | one-time |


## Frequently asked questions

### Is Mentors (멘토스북) free?

Mentors (멘토스북) is free to download, with no in-app purchases.

### Is 자리영어 free?

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

### Do Mentors (멘토스북) or 자리영어 have ads?

Neither Mentors (멘토스북) nor 자리영어 shows ads.

### Which is updated more often, Mentors (멘토스북) or 자리영어?

Mentors (멘토스북) ships an update every 13 months, and 자리영어 every 3 days. Most recently, Mentors (멘토스북) was updated on October 3, 2026 and 자리영어 on October 31, 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.*