# 조현 경찰학 OX 문제집 vs 해피캠퍼스

The clearest difference is review sentiment: 조현 경찰학 OX 문제집 at 98% against 해피캠퍼스's 0%. 조현 경찰학 OX 문제집 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 2 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. 조현 경찰학 OX 문제집 asks for nothing beyond the download.

조현 경찰학 OX 문제집 ships an update every 2 months, 해피캠퍼스 every 3 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | 조현 경찰학 OX 문제집 | 해피캠퍼스 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **97.8% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 23 MB | 48 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Suin Chung](https://appshunter.io/developer/1876475090) | [Agentsoft Co., Ltd.](https://appshunter.io/developer/1078532533) |

## What reviewers say

### 조현 경찰학 OX 문제집

[App page](https://appshunter.io/ios/app/ox/id6470109969)

This app helps civil service exam candidates utilize spare time effectively for police exam preparation. It allows quick answer checking and bookmarking of difficult questions for repeated study. Automated scoring by chapter helps identify weak areas for focused review.

**Highlights:** Utilize spare time for studying, Quick answer checking, Bookmark difficult questions, Repeat study of unknown questions, Automated chapter scoring, Identify weak areas

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great for studying on the go
- 👍 Convenient for commuting
- 👍 Useful for utilizing spare time
- 👍 Easy to study by part
- 👍 Collects incorrect answers separately

**What reviewers complain about**

- 🐛 Incorrectly matched answers
- 🐛 Outdated information (laws)

**Reported bugs**

- Incorrectly matched answers
- Outdated legal information

**Requested features**

- Update incorrect answer matches
- Update outdated legal information


### 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 |


## Frequently asked questions

### Is 조현 경찰학 OX 문제집 free?

조현 경찰학 OX 문제집 is free to download, with no in-app purchases.

### Is 해피캠퍼스 free?

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

### Do 조현 경찰학 OX 문제집 or 해피캠퍼스 have ads?

해피캠퍼스 shows ads; 조현 경찰학 OX 문제집 does not.

### Which is updated more often, 조현 경찰학 OX 문제집 or 해피캠퍼스?

조현 경찰학 OX 문제집 ships an update every 2 months, and 해피캠퍼스 every 3 weeks. Most recently, 조현 경찰학 OX 문제집 was updated on October 30, 2026 and 해피캠퍼스 on October 30, 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.*