# 百度文库 vs 三校升

The clearest difference is in-app purchases: 三校升 at none against 百度文库's 10. 三校升 also leads on ads (none vs shown). 百度文库's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. 百度文库 sells 10 in-app purchases, starting at $1.99 per month. 三校升 asks for nothing beyond the download.

百度文库 ships an update every 2 weeks, 三校升 monthly. The most recent releases landed on November 9, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 百度文库 | 三校升 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.4K ratings)](https://appshunter.io/ios/app/ai/id426340811/reviews)** | — |
| Number of ratings | **1.4K** | — |
| Positive reviews | 76.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 202 MB | 104 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Beijing Baidu Netcom Science & Technology Co.,Ltd](https://appshunter.io/developer/372585298) | [Shanghai Shuohai Education Technology Co., Ltd.](https://appshunter.io/developer/1592452983) |

## What reviewers say

### 百度文库

[App page](https://appshunter.io/ios/app/ai/id426340811)

This app offers AI-powered content creation for documents, presentations, and images. It also provides access to a vast library of professional documents and tools for managing and editing your files. Enhance your learning and work with intelligent assistance.

**Highlights:** AI content generation (documents, PPTs, images), Extensive professional document library, Cloud storage and file management, AI-powered summarization and Q&A, Document format conversion, Voice interaction for editing

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月VIP | $1.99 | per month |
| 连续包月 | $2.49 | per month |
| 连续包月VIP | $2.49 | per month |
| 连续包月 | $2.99 | per month |
| 免费试用 | $3.99 | per month |
| 连续包月（特惠） | $3.99 | per month |
| 连续包月 | $3.99 | per month |
| 6文库币 | $0.99 | one-time |
| 18文库币 | $2.99 | one-time |
| 12个月VIP | $14.99 | one-time |

**What reviewers like**

- 👍 Good app
- 🚀 Fast and accurate search
- 💡 Comprehensive library of resources
- 👍 Helpful for learning and research

**What reviewers complain about**

- 💰 Paywall for full access
- 🐛 Misleading advertising about free content
- 🤬 Aggressive monetization tactics
- 🙄 Poor user experience

**Reported bugs**

- Crashes and freezes
- Sync issues between devices
- Broken download functionality

**Requested features**

- Offline access to documents
- More free content and resources
- Improved search and filtering options
- Better organization and categorization


### 三校升

[App page](https://appshunter.io/ios/app/id1592452981)

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

**In-app purchases:** none


## Frequently asked questions

### Is 百度文库 free?

百度文库 is free to download, with in-app purchases available.

### Is 三校升 free?

三校升 is free to download, with no in-app purchases.

### Do 百度文库 or 三校升 have ads?

百度文库 shows ads; 三校升 does not.

### Which is updated more often, 百度文库 or 三校升?

百度文库 ships an update every 2 weeks, and 三校升 monthly. Most recently, 百度文库 was updated on November 9, 2026 and 三校升 on October 27, 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.*