KyBook 3

KyBook is the iOS 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. Continuously developing and improving in close contact with thousands of KyBook users.

Key features

• All the major e-book formats
• OPDS catalogs
• Comfortable reading mode
• Powerful annotations
• Handy cataloguer
• Cloud Storage

Ebook Formats

• EPub (DRM-free)
• FictionBook (fb2, fb2.zip)
• Plain and rich text (txt, rtf)
• PDF (DRM-free)
• DjVu
• Comic Book (cbr, cbz, cbt)
• MobiPocket and Kindle (mobi, azw3)
• Audio Book (mp3, m4a, m4b)

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 page margins in manual or 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 with (using Apple Pencil or 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 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
• Runs the Content Server for accessing files on the device via a WiFi

Multi-tab interface in Pro mode

• The ability to open several books and bookshelfs in different tabs and freely switch between them (Safari like)
• The way to work with two books or bookshelfs at the same time on the screen
• The ability to open the book at the same time in two different reading positions on one screen

Synchronization (requires Premium subscription)

• Syncs all ebooks metadata, reading positions, bookmarks, annotations, reviews and summaries
• Syncs ebook files
• (Soon). Access to your synced books anywhere from the Internet with web-browser

Pro mode (requires In-App Purchase)

• DjVu format
• User dictionary
• Advanced UI (Safari similar tabs)
• Content Server
• Customizable themes
• Tags for books
• Downlodable content (fonts, backgrounds, dictionaries)
• Auto scrolling
• Drawing on book pages
• PDF Reflow
• Export an ebook as PDF with annotations
• Tor network

Supports for recent Apple iOS features

• iPhone X
• iPad Split Screen Multitasking
• Apple Pencil for all ebook formats (drawing annotations in ebooks)
• iOS 11 drag & drop in bookshelfs for reordering or moving or metadata editing

Remarks for KyBook 1/2 users

Screenshots