Natural Syntax vs Namo eBook Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Natural Syntax
This app enhances reading comprehension by subtly styling text to highlight parts of speech, similar to syntax highlighting in programming. It offers a native ePub reader with full text search and a discovery service for public domain books. Users can customize styling and themes for an improved reading experience.
- Syntax highlighting for parts of speech
- Native paginated ePub display
- Full text search
- Public domain book discovery
- Customizable colors and styles
- Multiple themes (Dark, Light, White)
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As programmers read source code we passively absorb some of the meaning via syntax highlighting for the language. NaturalSyntax aims to do the same thing with natural human language, this will improve reading comprehension and understanding by passively absorbing the parts of speech via subtle styling of the text. Features: • Fully native paginated display of syntax highlighted parts of speech for ePub files • Full text book search • ePub parsed on demand for improved experience • Includes discovery service to download thousands of public domain books • Allows customization of colors and styles for each part of speech • Includes Dark, Light and White themes with different default colors • Allows you to turn on or off highlighting of each part of speech • Synchronizes preferences between all your devices • Uses system interface for interacting with your files • Does not collect or store any personal information Limitations: • Can only process English ePub files • Can only search for public domain books when signed into iCloud
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.
Screenshots
Verdict
The clearest difference is rating: Natural Syntax at 4.0 against Namo eBook Reader's 2.0. Natural Syntax also leads on review sentiment (67% vs 38%). Namo eBook Reader's advantage is in-app purchases (none vs 1) and update cadence (every 2 months vs every 12 months). On price, ratings volume, ads and device support 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. Natural Syntax sells 1 one-off in-app purchase. Namo eBook Reader asks for nothing beyond the download.
Natural Syntax holds the better App Store score, 4.0 against 2.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 67% of Natural Syntax's written reviews are positive against 38% of Namo eBook Reader's.
Natural Syntax ships an update every 12 months, Namo eBook Reader every 2 months. The most recent releases landed on June 1, 2026 and September 15, 2026 respectively.
| Parameter | Natural Syntax | Namo eBook Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) — better | 2.0 (2 ratings) |
| Positive reviews | 66.7% of reviews — better | 37.5% of reviews |
| Number of ratings | 2 | 2 |
| Update frequency | Every 12 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 11 MB | 62 MB |
| Age rating | 12+ | 4+ |
| Developer | Jeremy Buchman | ARASOFT.Co.,Ltd |
Customer experience
Natural Syntax
Namo eBook Reader
In-app purchases
Natural Syntax
- Color Customization$0.99
Namo eBook Reader
No in-app purchases
Questions
Is Natural Syntax free?
Is Namo eBook Reader free?
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