# 해커스보카2nd vs Mentors (멘토스북)

The clearest difference is update cadence: 해커스보카2nd at every 2 months against Mentors (멘토스북)'s every 13 months. 해커스보카2nd also leads on review sentiment (43% vs 25%). Mentors (멘토스북)'s advantage is iOS requirement (12.4 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

해커스보카2nd ships an update every 2 months, Mentors (멘토스북) every 13 months. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 해커스보카2nd | Mentors (멘토스북) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (6 ratings)](https://appshunter.io/ios/app/2nd/id1017249637/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | **43.3% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 13 months |
| Monetization | Free | Free |
| Size | 506 MB | 4 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hackers Co., Ltd.](https://appshunter.io/developer/455156528) | [Hong Suh](https://appshunter.io/developer/1325557308) |

## What reviewers say

### 해커스보카2nd

[App page](https://appshunter.io/ios/app/2nd/id1017249637)

Master English vocabulary for various exams like TOEFL, IELTS, and civil service tests. This app offers daily quizzes, game-based learning for weak areas, and a personalized word list for effective memorization.

**Highlights:** Vocabulary memorization for English exams, Daily quizzes (OX, word matching, fill-in-the-blank), Game-based learning for weak vocabulary days, Create custom word lists, Effective review of learned words

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 해커스보카2nd free?

해커스보카2nd is free to download, with no in-app purchases.

### Is Mentors (멘토스북) free?

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

### Do 해커스보카2nd or Mentors (멘토스북) have ads?

Neither 해커스보카2nd nor Mentors (멘토스북) shows ads.

### Which is updated more often, 해커스보카2nd or Mentors (멘토스북)?

해커스보카2nd ships an update every 2 months, and Mentors (멘토스북) every 13 months. Most recently, 해커스보카2nd was updated on September 24, 2026 and Mentors (멘토스북) on September 16, 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.*