# Amarin eBooks vs Naiin Reader

The clearest difference is in-app purchases: Naiin Reader at none against Amarin eBooks's 12. Naiin Reader also leads on review sentiment (33% vs 0%) and update cadence (every 5 weeks vs every 10 months). Amarin eBooks's advantage is iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Amarin eBooks sells 12 one-off in-app purchases. Naiin Reader asks for nothing beyond the download.

Amarin eBooks ships an update every 10 months, Naiin Reader every 5 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Amarin eBooks | Naiin Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.7 (6 ratings)](https://appshunter.io/ios/app/naiin-reader/id6680192386/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 103 MB | 37 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [MEB Corporation Public Company Limited](https://appshunter.io/developer/436964329) | [Amarin Printing & Publishing Public Company Limited.](https://appshunter.io/developer/464708773) |

## What reviewers say

### 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 (12)**

| 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 59.99 USD | $59.99 | one-time |
| หนังสือราคา 64.99 USD | $64.99 | 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 |


### Naiin Reader

[App page](https://appshunter.io/ios/app/naiin-reader/id6680192386)

This application allows you to read digital books from a renowned Thai bookstore. It offers features for customizing your reading experience, syncing across devices, and tracking progress. Enjoy a vast library of e-books on your smartphone, tablet, or e-reader.

**Highlights:** Store thousands of books, Customize text size, font, and themes, Take notes and bookmark pages, Sync reading progress across devices, Track reading progress percentage, Supports PDF and EPUB formats, Zoom for high-resolution images

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

**In-app purchases:** none


## Frequently asked questions

### Is Amarin eBooks free?

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

### Is Naiin Reader free?

Naiin Reader is free to download, with no in-app purchases.

### Do Amarin eBooks or Naiin Reader have ads?

Neither Amarin eBooks nor Naiin Reader shows ads.

### Which is updated more often, Amarin eBooks or Naiin Reader?

Amarin eBooks ships an update every 10 months, and Naiin Reader every 5 weeks. Most recently, Amarin eBooks was updated on October 24, 2026 and Naiin Reader on October 25, 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.*