# Namo eBook Reader vs Book.io

The clearest difference is review sentiment: Book.io at 97% against Namo eBook Reader's 38%. Book.io also leads on rating (4.8 vs 2.0) and ratings volume (57 vs 2). Namo eBook Reader's advantage is iOS requirement (12.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Book.io holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: Book.io has 57 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 38% of Namo eBook Reader's written reviews are positive against 97% of Book.io's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 2, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Namo eBook Reader | Book.io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (2 ratings)](https://appshunter.io/ios/app/namo-ebook-reader/id1501449940/reviews) | **[4.8 (57 ratings)](https://appshunter.io/ios/app/bookio/id1661003233/reviews)** |
| Number of ratings | 2 | **57** |
| Positive reviews | 37.5% of reviews | **96.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 62 MB | 31 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [ARASOFT.Co.,Ltd](https://appshunter.io/developer/1501449939) | [Book.io, Inc](https://appshunter.io/developer/1661003235) |

## What reviewers say

### Namo eBook Reader

[App page](https://appshunter.io/ios/app/namo-ebook-reader/id1501449940)

This application offers a robust and accurate way to view EPUB2 and EPUB3 ebooks. It supports various layout types, advanced styling, and provides a suite of user-friendly reading tools for a customizable experience.

**Highlights:** EPUB2 and EPUB3 support, Reflowable and fixed-layout ebooks, HTML5, Javascript, CSS3 rendering, Table of contents, bookmarks, memos, Customizable themes and fonts, Text search and zoom, File sharing import

**Features:** macOS Compatibility

**In-app purchases:** none


### Book.io

[App page](https://appshunter.io/ios/app/bookio/id1661003233)

Manage your digital library of eBooks and audiobooks with a user-friendly interface. Customize your reading experience with various themes and text settings, and enjoy features like bookmarking and embedded media. Own and control your digital content.

**Highlights:** eBook and Audiobook management, Customizable themes and text settings, Seamless navigation and bookmarking, Audiobook playback and reading/listening switch, Embedded video and fixed format support, Social media login

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

**In-app purchases:** none


## Frequently asked questions

### Is Namo eBook Reader free?

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

### Is Book.io free?

Book.io is free to download, with no in-app purchases.

### Which has better reviews, Namo eBook Reader or Book.io?

Book.io is rated higher. Namo eBook Reader averages 2.0 out of 5 from 2 ratings, while Book.io averages 4.8 from 57 ratings.

### Do Namo eBook Reader or Book.io have ads?

Neither Namo eBook Reader nor Book.io shows ads.

### Which is updated more often, Namo eBook Reader or Book.io?

Namo eBook Reader ships an update every 2 months, and Book.io every 2 months. Most recently, Namo eBook Reader was updated on October 2, 2026 and Book.io on October 16, 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.*