# 지스쿨 e북 서비스 vs 고종훈 OX 문제집(한국사능력검정시험 대비)

The clearest difference is in-app purchases: 고종훈 OX 문제집(한국사능력검정시험 대비) at none against 지스쿨 e북 서비스's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 지스쿨 e북 서비스 sells 5 one-off in-app purchases. 고종훈 OX 문제집(한국사능력검정시험 대비) asks for nothing beyond the download.

지스쿨 e북 서비스 ships an update every 6 months, 고종훈 OX 문제집(한국사능력검정시험 대비) every 5 months. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 지스쿨 e북 서비스 | 고종훈 OX 문제집(한국사능력검정시험 대비) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 27 MB | 22 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bong Chul Koo](https://appshunter.io/developer/1471933281) | [NewLearn Soft](https://appshunter.io/developer/1815216881) |

## What reviewers say

### 지스쿨 e북 서비스

[App page](https://appshunter.io/ios/app/e/id6465899350)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 Points | $0.49 | one-time |
| 5000 Points | $2.99 | one-time |
| 10000 Points | $6.99 | one-time |
| 50000 Points | $34.99 | one-time |
| 100000 Points | $69.99 | one-time |


### 고종훈 OX 문제집(한국사능력검정시험 대비)

[App page](https://appshunter.io/ios/app/ox/id6474063482)

This app helps you prepare for the Korean History Proficiency Test with structured learning plans and practice quizzes. It offers personalized notes for incorrect answers and allows for convenient mobile access anytime, anywhere. Expert-created questions ensure high-quality practice for exam success.

**Highlights:** Structured learning plans, Practice quizzes, Personalized incorrect answer notes, Mobile access, Expert-created questions, Exam preparation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 지스쿨 e북 서비스 free?

지스쿨 e북 서비스 is free to download, with in-app purchases available.

### Is 고종훈 OX 문제집(한국사능력검정시험 대비) free?

고종훈 OX 문제집(한국사능력검정시험 대비) is free to download, with no in-app purchases.

### Do 지스쿨 e북 서비스 or 고종훈 OX 문제집(한국사능력검정시험 대비) have ads?

Neither 지스쿨 e북 서비스 nor 고종훈 OX 문제집(한국사능력검정시험 대비) shows ads.

### Which is updated more often, 지스쿨 e북 서비스 or 고종훈 OX 문제집(한국사능력검정시험 대비)?

지스쿨 e북 서비스 ships an update every 6 months, and 고종훈 OX 문제집(한국사능력검정시험 대비) every 5 months. Most recently, 지스쿨 e북 서비스 was updated on September 18, 2026 and 고종훈 OX 문제집(한국사능력검정시험 대비) on September 23, 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.*