# 해피캠퍼스 vs 고종훈 OX 문제집(한국사능력검정시험 대비)

The clearest difference is review sentiment: 고종훈 OX 문제집(한국사능력검정시험 대비) at 100% against 해피캠퍼스's 0%. 고종훈 OX 문제집(한국사능력검정시험 대비) also leads on in-app purchases (none vs 4) and ads (none vs shown). 해피캠퍼스's advantage is update cadence (every 3 weeks vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 해피캠퍼스 sells 4 one-off in-app purchases. 고종훈 OX 문제집(한국사능력검정시험 대비) asks for nothing beyond the download.

해피캠퍼스 ships an update every 3 weeks, 고종훈 OX 문제집(한국사능력검정시험 대비) every 5 months. Both last shipped on November 4, 2026.

## The numbers

| Metric | 해피캠퍼스 | 고종훈 OX 문제집(한국사능력검정시험 대비) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 48 MB | 22 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Agentsoft Co., Ltd.](https://appshunter.io/developer/1078532533) | [NewLearn Soft](https://appshunter.io/developer/1815216881) |

## What reviewers say

### 해피캠퍼스

[App page](https://appshunter.io/ios/app/id6472879125)

Access a vast library of academic papers, resumes, and study materials for various educational levels. Share your own work and earn money through a peer-to-peer marketplace. Available on both PC and mobile devices.

**Highlights:** Access academic papers and study materials, Upload and sell your own documents, Earn money from shared content, Browse popular topics and case studies, View and download original documents, Cross-platform PC and mobile access

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10,000코인 충전 | $9.99 | one-time |
| 20,000코인 충전 | $19.99 | one-time |
| 30,000코인 충전 | $29.99 | one-time |
| 50,000코인 충전 | $49.99 | 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 해피캠퍼스 free?

해피캠퍼스 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 해피캠퍼스 or 고종훈 OX 문제집(한국사능력검정시험 대비) have ads?

해피캠퍼스 shows ads; 고종훈 OX 문제집(한국사능력검정시험 대비) does not.

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

해피캠퍼스 ships an update every 3 weeks, and 고종훈 OX 문제집(한국사능력검정시험 대비) every 5 months. Most recently, 해피캠퍼스 was updated on November 4, 2026 and 고종훈 OX 문제집(한국사능력검정시험 대비) on November 4, 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.*