Namo eBook Reader vs Book.io
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Namo eBook Reader
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.
- 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
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Namo Reader supports both EPUB2 and EPUB3. It is easy to use and intuitive, and expresses e-books fast and accurately. 1. Complies with the IDPF EPUB standard. - Supports both reflowable and fixed-layout e-books. - Expresses HTML5, Javascript, and CSS3 completely. - Check out Namo Reader for e-books (reflowable vertical writing e-books, fixed-layout e-books) that are not properly represented by other readers. 2. Provides a variety of user-friendly features. - Table of contents, bookmarks, memos, highlights - Changing themes and fonts, adjusting font size and line height, and controlling brightness - Screen rotation lock - Text search - Zooming in and out - User library settings - A shortcut and a collection of recently read books - Collection functions based on reading situation - Adding e-books by file sharing feature such as AirDrop, open in, iTunes 3. Provides perfect contents security by viewing without decompressing e-books, and enables efficient use of device storage space.
Book.io
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.
- 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
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Book.io is the eBook and Audiobook app that empowers you to manage your digital library on your terms. Transform your reading experience with a range of features crafted for maximum enjoyment. Key Features: 1. Effortless Reading: Navigate your eBooks seamlessly with our user-friendly interface. 2. Customizable Themes: Personalize your reading environment with Light, Paper, or Dark themes. 3. Tailored Text Settings: Adjust text size, line spacing, and fonts, including options like Open Dyslexic. 4. Bookmarking and Navigation: Easily bookmark pages and navigate through your reading material. 5. Media Support: Immerse yourself with audiobooks, embedded videos, and fixed format support. 6. Dark Mode: Read comfortably in low-light settings with our sleek dark mode. 7. Multi-Language Support: Experience Book.io in Spanish or English for a tailored touch. Why Choose Book.io? Embrace the future while preserving the past with our collection of Unchangeable, Unburnable, Unbannable eBooks and Audiobooks you own and control. Join our community of satisfied readers today. Download Book.io and embark on your journey of actual digital ownership. What’s New: - Audiobook Support: Dive deeper into your favorite stories with our new audiobook feature. Switch between reading and listening anytime, anywhere. - Social Media Connection: Book.io is now easier than ever to get started. Log in or create an account using your existing social media credentials.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Namo eBook Reader | Book.io |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (2 ratings) | 4.8 (57 ratings) — better |
| Positive reviews | 37.5% of reviews | 96.7% of reviews — better |
| Number of ratings | 2 | 57 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 62 MB | 31 MB |
| Age rating | 4+ | 12+ |
| Developer | ARASOFT.Co.,Ltd | Book.io, Inc |
Customer experience
Namo eBook Reader
Book.io
In-app purchases
Namo eBook Reader
No in-app purchases
Book.io
No in-app purchases
