# CUBook Privilege vs Amarin eBooks

The clearest difference is in-app purchases: CUBook Privilege at none against Amarin eBooks's 10. CUBook Privilege also leads on update cadence (every 3 weeks vs every 10 months) and iOS requirement (7.0 vs 11.0). On price, ads and device support there is nothing between them.

Both are free to download. Amarin eBooks sells 10 one-off in-app purchases. CUBook Privilege asks for nothing beyond the download.

CUBook Privilege ships an update every 3 weeks, Amarin eBooks every 10 months. The most recent releases landed on October 26, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | CUBook Privilege | Amarin eBooks |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 10 months |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 103 MB |
| Requires iOS | **7.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Tap Engine](https://appshunter.io/developer/393781855) | [MEB Corporation Public Company Limited](https://appshunter.io/developer/436964329) |

## What reviewers say

### CUBook Privilege

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

**In-app purchases:** none


### Amarin eBooks

[App page](https://appshunter.io/ios/app/amarin-ebooks/id1443447767)

Access a vast library of novels, including Chinese, Thai, translated, and erotic genres, alongside business, psychology, and lifestyle books. Explore diverse collections from various publishers, offering a wide range of reading material.

**Highlights:** Extensive novel collection, Business and self-help books, Lifestyle and health titles, Diverse publisher content, Online reading platform

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| หนังสือราคา 3.99 USD | $3.99 | one-time |
| หนังสือราคา 5.99 USD | $5.99 | one-time |
| หนังสือราคา 6.99 USD | $6.99 | one-time |
| หนังสือราคา 69.99 USD | $69.99 | one-time |
| หนังสือราคา 74.99 USD | $74.99 | one-time |
| หนังสือราคา 79.99 USD | $79.99 | one-time |
| หนังสือราคา 84.99 USD | $84.99 | one-time |
| หนังสือราคา 89.99 USD | $89.99 | one-time |
| หนังสือราคา 94.99 USD | $94.99 | one-time |
| หนังสือราคา 99.99 USD | $99.99 | one-time |


## Frequently asked questions

### Is CUBook Privilege free?

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

### Is Amarin eBooks free?

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

### Do CUBook Privilege or Amarin eBooks have ads?

Neither CUBook Privilege nor Amarin eBooks shows ads.

### Which is updated more often, CUBook Privilege or Amarin eBooks?

CUBook Privilege ships an update every 3 weeks, and Amarin eBooks every 10 months. Most recently, CUBook Privilege was updated on October 26, 2026 and Amarin eBooks 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.*