# CUBook Privilege vs Maruey Library

The clearest difference is update cadence: CUBook Privilege at every 3 weeks against Maruey Library's every 3 months. CUBook Privilege also leads on iOS requirement (7.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CUBook Privilege ships an update every 3 weeks, Maruey Library every 3 months. The most recent releases landed on October 26, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | CUBook Privilege | Maruey Library |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 22.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 9 MB | 17 MB |
| Requires iOS | **7.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Tap Engine](https://appshunter.io/developer/393781855) | [The Stock Exchange of Thailand](https://appshunter.io/developer/574531118) |

## What reviewers say

### CUBook Privilege

[App page](https://appshunter.io/ios/app/cubook-privilege/id1028251347)

**In-app purchases:** none


### Maruey Library

[App page](https://appshunter.io/ios/app/maruey-library/id1399531051)

Access a vast collection of books and read them online anytime, anywhere. This digital library offers a convenient way to explore literature on your device.

**Highlights:** Read books online, Access anytime, Access anywhere, Digital library

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CUBook Privilege free?

CUBook Privilege is free to download, with no in-app purchases.

### Is Maruey Library free?

Maruey Library is free to download, with no in-app purchases.

### Do CUBook Privilege or Maruey Library have ads?

Neither CUBook Privilege nor Maruey Library shows ads.

### Which is updated more often, CUBook Privilege or Maruey Library?

CUBook Privilege ships an update every 3 weeks, and Maruey Library every 3 months. Most recently, CUBook Privilege was updated on October 26, 2026 and Maruey Library on November 2, 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.*