MapleRead CX vs KyBook 3 Ebook Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MapleRead CX
This app offers a unique audio-visual reading experience for EPUB ebooks. Customize book styles, generate pseudo audiobooks with various voices, and enjoy immersive reading with synchronized audio and text. It also functions as a powerful library management tool with extensive customization options.
- Audio-visual EPUB reader
- Pseudo audiobook generation
- Immersion reading (sync audio/text)
- Customizable book styles and themes
- Word lookup and translation
- Library management and organization
- User-defined fonts and highlight colors
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MapleRead is dedicated to enable unique audio-visual reading experience for everyone. ------------ Our MapleRead app family has 3 members, namely SE, CE and CX. - SE is our flagship product with all features. - CE is SE without PDF reader and built-in Library Server. - CX is CE with some limitation. Free to try. - No recurring subscription fees. No ads. Just buy it once. Gratuity optional. - Moreover, SE and CE can be run side-by-side via split-view multitasking. - Recommend SE for use on multiple devices with easy and fast book sharing via Library Server. - Recommend the SE-CE bundle for the best value. ------------ MapleRead includes a superb audio-visual EPUB e-book reader. - It lets you easily modify publisher's original book style to better suit your aesthetic taste. - It lets you instantly generate pseudo audiobooks with a choice of narrator voices over 40 languages. - It enables immersion reading so that you may read and listen to the same book in sync. - Background listening works well too. Compatible with Lock Screen Music Player and CarPlay. MapleRead UI is friendly to users of all ages. - Books can be read in regular and large print. - A choice of UI text sizes makes reading in non-book views much more comfortable. MapleRead is a great learning tool. - It lets you look up words, translate sentences, search text, highlight text and write notes. - It helps you collect vocabulary and organize notes with various priorities. - It provides hooks to user-defined dictionaries, translators, and other tools. - Immersion reading improves your comprehension, especially of foreign-language books. MapleRead is an effective and fast library management tool. - It is designed for you, a book lover, who may own a huge and/or growing book collection. - It lets you keep all your books in one place and well-organized automatically. - It lets you display your books elegantly in style. - It lets you easily repair individual book metadata. - If supports multiple book sets and multiple tags. - It offers multiple ways to import and export books, and works well with Calibre. MapleRead offers unprecedented user-defined customization options. - They include unlimited user-defined fonts, book themes, cover images and library scenes. - Each book theme includes various types of user-defined highlight colors. - Each book can have its own theme, and each EPUB book can have its own style. [For more technical details, screenshots, FAQ and reviews, please visit our website.]
KyBook 3 Ebook Reader
This app is a versatile e-book reader and cataloger supporting numerous formats like EPUB, MOBI, and PDF. It offers a comfortable reading experience with customizable options, powerful annotation tools, and seamless cloud storage integration. Organize your library with tags, collections, and a handy cataloguer.
- Supports all major e-book formats
- OPDS catalog access
- Comfortable reading mode with themes
- Powerful annotations and summary editor
- Handy cataloguer with tagging
- Cloud storage integration
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KyBook is the application for reading and cataloging e-books in a modern, user-friendly style. KyBook supports all the major e-book formats, OPDS catalogs and Cloud Storage. Key features • All the major e-book formats • OPDS catalogs • Comfortable reading mode • Powerful annotations • Handy cataloguer • Cloud Storage Ebook Formats • EPub (DRM-free) • PDF (DRM-free) • MobiPocket and Kindle (mobi, azw3) • DjVu • FictionBook (fb2, fb2.zip) • Comic Book (cbr, cbz, cbt) • Audio Book (mp3, m4a, m4b) • Plain and rich text (txt, rtf) OPDS Catalogs • Provides access to enormous collection of free electronic books through OPDS-catalogs support. • Built-in list of well-known OPDS Catalogs • Allows add own catalog (e.g. Calibre content server) • Supports for .onion OPDS Catalogs reachable via Tor Network Comfortable reading mode • Themes, color schemes for reading (day, night, sepia and more). • Page turn with scroll, curl and slide. • Designed to be fast, energy efficient, optimized for very large books (books in millions of words) • Auto scrolling mode • Text-to-speech technology to voice any e-book EPUB/FB2/MOBI specific features • Customizable font, text size, page margins, paragraph indentation, background and more • Typography aware (hanging punctuation, hyphenations and more) PDF/DJVU specific features • Crops a page margins in manual and automatic mode • Smart zooming by double-tap • PDF Reflow on iPhone • Page text recognition (OCR) Powerful annotations • Marked text and bookmarks • Drawn annotations in any ebook (Apple Pencil support and just by touching). • Annotations exports in Markdown, HTML, PDF, RTF formats. Built-in the summary editor • Markdown formatting. • Exports summaries in Markdown, HTML, PDF, RTF formats. Working with fragments of text • Translation of separate words or complete sentences in different languages. • Search for a word definition in dictionaries. • Custom dictionaries in Dictd, StarDict and Lingvo DSL format • Full text searching in a book (textual, fuzzy and search using regular expressions). • Built-in search for a selected text on the Internet or Wikipedia. Handy cataloguer • Grouping by categories: by authors, subjects, sequences, publishers, tags, popular, recent, new, unread, reading and finished. • Tags and collections to categorize ebooks. • Search for books in the library and anywhere in the Internet. • Own folders tree and flexible bookshelf settings for layout and sorting. • Arranging books on a bookshelf by dragging. Working with a metadata and a table of contents • Automated extraction of a metadata from ebooks. • Convenient editing of a metadata. • Editing and creation (automatic or manual) of a table of contents. File Storage • Locally on the device. • In the Cloud Storage (iCloud Drive, Google Drive, OneDrive, Dropbox, Yandex Disk). • In the Local network on Shared Folders (SMB/CIFS) or on WebDAV server • Transparent caching of books in the Internet or Local network. • Supports of streaming audio books in Cloud Storage. • Content Server for accessing files on the device via a WiFi. Synchronization (requires subscription) • Syncs all ebooks metadata and files. KyBook offers the following subscriptions options: • 3 months: 4.49 USD • 1 year: 14.99 USD Prices may vary in other countries respecting your local currency exchange rate. Your subscription will be charged to your iTunes account. At the end of the term, unless auto-renewables subscriptions are disabled, your subscription will automatically renew in your iTunes account. You will be charged for the regular price of your subscription within 24 hours prior to the end of the current term. You can turn off automatic renewal in your iTunes account settings at any time, but you must do so at least 24 hours before the end of the current term. Refunds will not be provided for the unused portion of any term. Terms & Privacy policy http://kybook-reader.com/terms http://kybook-reader.com/privacy-policy
Screenshots
Verdict
The clearest difference is rating: KyBook 3 Ebook Reader at 4.7 against MapleRead CX's 3.4. KyBook 3 Ebook Reader also leads on update cadence (every 5 days vs every 5 weeks) and ratings volume (4.7K vs 24). On price, review sentiment, 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. MapleRead CX sells 1 one-off in-app purchase and KyBook 3 Ebook Reader sells 4 in-app purchases, starting at $4.49 per 3 months. Whichever you choose, the download price is not the number that matters.
KyBook 3 Ebook Reader holds the better App Store score, 4.7 against 3.4. That said, the two scores are not equally well evidenced: KyBook 3 Ebook Reader has 4.7K ratings behind it against 24, so its average is the more settled of the two. Written reviews split almost evenly too, at 62% and 61% positive.
MapleRead CX ships an update every 5 weeks, KyBook 3 Ebook Reader every 5 days. The most recent releases landed on October 21, 2026 and October 23, 2026 respectively.
| Parameter | MapleRead CX | KyBook 3 Ebook Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (24 ratings) | 4.7 (4.7K ratings) — better |
| Positive reviews | 61.5% of reviews — better | 60.9% of reviews |
| Number of ratings | 24 | 4.7K — better |
| Update frequency | Every 5 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 53 MB |
| Age rating | 4+ | 17+ |
| Developer | Maplepop LLC | Konstantin Bukreev |
Customer experience
MapleRead CX
KyBook 3 Ebook Reader
Bugs and requests
MapleRead CX
Not enough reviews yet to summarise bugs or requests.
KyBook 3 Ebook Reader
Reported bugs
5 issues- Inability to open/read certain file formats
- Sync and account creation issues
- Problems with PDF and image display
- Crashes and compatibility problems
- Duplication of books in library
Requested features
6 requests- Left alignment option
- Dark mode/OLED black theme
- Improved image handling
- Better support for Chinese language
- Vertical page flip
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- Improved text-to-speech capabilities
In-app purchases
MapleRead CX
- Pro Upgrade$6.99
KyBook 3 Ebook Reader
- 3 months subscription7 Days trial$4.493 Months
- Yearly subscription7 Days trial$14.991 Year
- Upgrade to Pro (Discount)$2.99
- Upgrade to Pro$4.99
Questions
Is MapleRead CX free?
Is KyBook 3 Ebook Reader free?
Which has better reviews, MapleRead CX or KyBook 3 Ebook Reader?
Do MapleRead CX or KyBook 3 Ebook Reader have ads?
Which is updated more often, MapleRead CX or KyBook 3 Ebook Reader?
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