# 해피캠퍼스 vs 북이오

The clearest difference is in-app purchases: 북이오 at none against 해피캠퍼스's 4. 북이오 also leads on review sentiment (25% vs 0%). On iOS requirement there is nothing between them.

## The numbers

| Metric | 해피캠퍼스 | 북이오 |
| --- | --- | --- |
| Price | **Free** | — |
| Rating | — | **[2.3 (11 ratings)](https://appshunter.io/ios/app/bukio/id6504741320/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | 0.0% of reviews | **25.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 48 MB | 3 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone** | — |
| Age rating | 4+ | 4+ |
| Developer | [Agentsoft Co., Ltd.](https://appshunter.io/developer/1078532533) | [Buk.io, Inc.](https://appshunter.io/developer/1056002582) |

## 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 |


### 북이오

[App page](https://appshunter.io/ios/app/bukio/id6504741320)

This app offers two reading modes: 'Solo Reading' for focused individual study and 'Group Reading' for real-time sharing of reading progress with others. Enhance your experience with expert commentary and collaborative note-taking.

**Highlights:** Solo and Group Reading Modes, Real-time progress sharing, Highlight and note sharing, Expert commentary integration, Group creation and management, Pen support for PDF annotation

**In-app purchases:** none


## Frequently asked questions

### Is 해피캠퍼스 free?

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

### Is 북이오 free?

Pricing for 북이오 is not currently listed on the App Store.

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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.*