# AR史前怪兽 vs 藏书馆

The clearest difference is in-app purchases: AR史前怪兽 at none against 藏书馆's 14. AR史前怪兽 also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. 藏书馆 sells 13 in-app purchases, starting at $3.99 per month. AR史前怪兽 asks for nothing beyond the download.

AR史前怪兽 ships an update every 2 weeks, 藏书馆 every 6 weeks. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | AR史前怪兽 | 藏书馆 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (9 ratings)](https://appshunter.io/ios/app/id1566560323/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 69.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 1.1 GB | 164 MB |
| Requires iOS | **9.3** | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [秀红 于](https://appshunter.io/developer/1449441031) | [厦门正观易知科技有限公司](https://appshunter.io/developer/1566536576) |

## What reviewers say

### AR史前怪兽

[App page](https://appshunter.io/ios/app/ar/id1276559680)

**Features:** macOS Compatibility

**In-app purchases:** none


### 藏书馆

[App page](https://appshunter.io/ios/app/id1566560323)

Access a vast library of over 2 million e-books with innovative borrowing features. Enhance your reading with tools like mind maps and note-taking, and engage in community reading challenges. Enjoy multimedia content and manage your digital library with cloud storage and ownership options.

**Highlights:** 2 million e-books for borrowing, Reading statistics and mind maps, Note-taking and knowledge organization, Community reading challenges, Cloud storage for uploaded books, Multimedia e-book integration, Ownership of purchased e-books

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 深度阅读VIP连续包月 | $3.99 | per month |
| 6藏书贝 | $0.99 | one-time |
| 12藏书贝 | $1.99 | one-time |
| 藏书馆深度阅读VIP | $2.99 | one-time |
| 30藏书贝 | $3.99 | one-time |
| 68藏书贝 | $9.99 | one-time |
| 藏书馆深度阅读VIP（季度） | $12.99 | one-time |
| 108藏书贝 | $14.99 | one-time |
| 藏书馆深度阅读VIP | $14.99 | one-time |
| 藏书馆深度阅读VIP | $24.99 | one-time |
| 藏书馆深度阅读VIP | $29.99 | one-time |
| 藏书馆深度阅读VIP | $39.99 | one-time |
| 藏书馆深度阅读VIP | $59.99 | one-time |


## Frequently asked questions

### Is AR史前怪兽 free?

AR史前怪兽 is free to download, with no in-app purchases.

### Is 藏书馆 free?

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

### Do AR史前怪兽 or 藏书馆 have ads?

藏书馆 shows ads; AR史前怪兽 does not.

### Which is updated more often, AR史前怪兽 or 藏书馆?

AR史前怪兽 ships an update every 2 weeks, and 藏书馆 every 6 weeks. Most recently, AR史前怪兽 was updated on October 26, 2026 and 藏书馆 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.*