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.
• All the major e-book formats
• OPDS catalogs
• Comfortable reading mode
• Powerful annotations
• Handy cataloguer
• Cloud Storage
• EPub (DRM-free)
• PDF (DRM-free)
• MobiPocket and Kindle (mobi, azw3)
• FictionBook (fb2, fb2.zip)
• Comic Book (cbr, cbz, cbt)
• Audio Book (mp3, m4a, m4b)
• Plain and rich text (txt, rtf)
• 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)
• 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.
• 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.
• 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.