KyBook - EPub,FB2,PDF,DjVu Reader2.1.6 - App Store
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Publisher Description
KyBook is a modern reader application for e-books.
It has highly customizable and friendly interface and also:
Key features:
- EPUB, FB2, RTF, PDF, DJVU, CHM, CBR, CBZ, MP3, M4A, M4B formats
- OPDS catalogs and network folders
- Google Books, Google Drive, Dropbox, OneDrive, Yandex Disc
- Flexible reading mode settings
Complete feature list:
- Supports e-books in EPUB, FictionBook (fb2, fbz, fb2.zip), TXT, RTF, PDF, DJVU, CHM, Comic Book (cbr, cbz) and Audio Book (mp3, m4a, m4b) formats.
- Has wide opportunities in searching and downloading e-books from different sources.
- Provides access to enormous collection of free electronic books through OPDS-catalogs support.
- Downloads e-books with the help of Web Browser (Mobile Safari), e-mail or iTunes.
- Saves your books into cloud storages and network folders.
- Integrated with Google Books, Google Drive, Dropbox, OneDrive and Yandex Disc.
- Allows flexible setting of text displaying: font selection, colour theme, text size, text alignment mode, line height, margins, paragraph indention and hyphenations.
- Allows choosing book covers from different sources, changing titles and subjects.
- Provides easy navigation inside the book using table of content, bookmarks or notes.
- Helps organizing your books on shelves, cataloging them under subjects and sorting in different modes.
- Has full-screen reading mode in landscape and portrait orientation.
- Allows turning and scrolling pages in vertical or horizontal mode.
- Allows locking orientation and changing screen brightness.
- Supports dictionaries, translation of selected text and text-to-speech.
- Integrated with social networking services (Facebook, Twitter, Vkontakte)
- Supports of VK Docs as Cloud Storage
- Built-in Web Browser
- Supports Tor Network
- DJVU and PDF filters
- Support of archives in ZIP and RAR format
- Password-protected Bookshelves
- Speed Reading (RSVP)
- Automatic text summarization
- Integrated with LitRes.ru
- Integrated with Samizdat (samlib.ru)
- Supports WebDAV protocol
Dear users, DJVU, CHM, Tor Network and 'Speed Reading' requires in-app purchase "Upgrade to Pro Version".
You are free to use these features during the trial period. After the trial period You can unlock them via upgrading KyBook to Pro Version.
Version History Fixed minor bugs.
Thank you for using KyBook!
Please remember to update your reviews. 2.1.6 06/03/2016 Fixed an issue with restoring of the in-app purchases.
Thank you for using KyBook!
Please remember to update your reviews. 2.1.5 04/27/2016 Fixed an issue with broken screen rotation lock when reading.
Fixed an issue with zooming PDF,DJVU.
Thank you for using KyBook!
Please remember to update your reviews. 2.1.4 04/18/2016 Added an ability to export the Samizdat authors.
Fixed an issue with charset encoding in certain books in Chinese. 2.1.2 04/13/2016 Fixed crash when opening a file in CHM format.
Thank you for using KyBook!
Please remember to update your reviews. 2.1.1 03/26/2016 The support of SMB/CIFS protocol was disabled.
The OCR ability was removed.
Fixed an issue with UI language detection, which was the cause of the translation malfunction.
The image search from the Google was replaced to the Bing.
Improved stability and fixed bugs.
Dear users, please take into account what this version does not support the SMB/CIFS protocol!
We apologize, but support for SMB/CIFS protocol is temporarily disabled due Samba.org complaints of violation of intellectual property rights. "This app includes the libsmbclient software, which is part of the Free Software Samba suite. libsmbclient is only made available under the terms of the GPLv3, which are incompatible with the terms of use in the Apple App store."
Thank you for using KyBook!
Please remember to update your reviews. 2.1.0 03/22/2016 Improved stability and fixed bugs. 2.0.7 01/31/2015 Updated Tor Network client.
Added settings for a bookshelf.
Added the ability to share the auto summarization result.
Added the feature to save a book page into Photo Stream.
Added support for printing a book page.
Added the stop-timer for audiobooks.
Added a setting for auto opening a book at the application launch.
Added vertical scrolling without pagination (roll) in fb2, epub (v2) and rtf books.
Added support for Retina backgrounds in the themes.
Added the ability to change the app UI language.
Added the screen with statistics about books.
Added the ability for spoofing User-Agent HTTP header.
Added support for FB2 files containing several books.
Improved performance in PDF books.
Improved rendering of tables in fb2 and epub (v2) books.
Improved support for landscape orientation on iPhone with iOS 8.
Improved synchronization of bookmarks and notes.
Fixed an issue with a table of contents in DJVU books.
Fixed a crash in PDF books when searching.
Fixed issues with downloading books from OPDS catalogs.
Fixed various minor bugs.
Thank you for using KyBook!
Please remember to update your reviews. 2.0.5 01/10/2015 Fixed an issue with the inability to open some epubs.
Added an option to customize the page footer.
Improved support of LitRes.
Added remembering of the current tab at the information screen.
Improved support of Speed Reading.
Drop Cap (only in fb2 book, turns on in the settings).
Fixed errors related to the device orientation change.
Added settings for the context menu in epub/fb2/pdf books.
Improved text selection.
Thank you for using KyBook!
Please remember to update your reviews. 2.0.3 12/04/2014 iPhone6/6+ Support.
Improved presentation of footnotes in FB2 books on iPad.
Displaying of images by double tap in FB2 books.
Page turning by tap in the scroll mode (with and without animation).
Bookshelf renaming.
Indication of the current chapter in the table of contents.
Integration with Yandex.Dictionary.
IDLE timer is disabled on File Transfer screen.
Support of a dictionary (menu item: define) in DJVU.
Added display of a chapter title to PDF/DJVU page.
New design of OPDS Catalogs screen.
Restored the ability to share all the notes at once.
Fixed a performance problem.
Fixed a bug with downloading audiobooks from LitRes.
Thank you for using KyBook! 2.0.1 11/09/2014 Compatibility improvements with iOS 8
A complete redesign of the information screen of the e-book
Restored the group mode for the books on the bookshelf
New All-Notes screen
Various fixes and improvements
Please remember to update your reviews. 1.9.9 10/10/2014 Added settings for Speed Reading.
Improved stability and minor bugs fixed. 1.9.8 08/29/2014 Various fixes and improvements. 1.9.7 08/19/2014 New engine for books in PDF format with support of text selection, annotations, translation and so on.
Various fixes and improvements.
Please remember to update your reviews. 1.9.6 07/24/2014 Integration with OneDrive Cloud Storage.
Added support of WebDAV protocol.
Improved support of LitRes.ru
Improved the text selection.
Fixed various issues for PDF format and synchronization. 1.9.5 07/03/2014 Integration with LitRes.ru service.
Integration with Samizdat service (samlib.ru).
Added 'Share link' feature for Cloud Storage.
Added option to show nested bookshelves.
Added FiraSans font.
Added downloadable PT-Sans and PT-Serif fonts.
Various fixes and improvements.
Please remember to update your reviews. 1.9.4 06/14/2014 Redesign of the translation function.
Added the feature to display a sentence during Speed Reading.
Added AlarmClock function.
Improved support for OCR layer in DJVU books.
Fixed "Out of memory" error for FB2 books with lots of images.
Fixed an issue with playback audio/TTS during an incoming call. 1.9.2 05/18/2014 Automatic text summarization
Various bug fixes 191 05/09/2014 Various bug fixes 1.8.9 04/18/2014 Streaming audiobooks from Yandex.Disk, Dropbox and Network Folders.
Rate control for audiobooks.
Editable settings of OPDS Catalogs and Network Folders.
Menu item "Select All" in a bookshelf.
Search by tags during searching books by title or author.
Display synchronization progress in the sync settings.
Improved support of Speed Reading.
Improved support of FB2 books which violate FictionBook2.1 standard.
Optimized downloading of ebooks from OPDS Catalogs and Websites.
Disable autohiding of a search bar in OPDS Catalog.
Idle timer is disabled during synchronization.
Fixed an issue with editing of bookmark.
Fixed an issue with audiobooks in landscape orientation.
Fixed an issue with adding a bookshelf using Library Browser in iOS6.
Fixed an issue with showing of bookcover from locked password-protected bookshelf.
Fixed "Unable to parse OPDS Feed.".
Please remember to update your reviews. 1.8.8 04/03/2014 Password-protected Bookshelves.
Added support of tables in EPUB/FB2 books (iOS 7 only).
Complete redesign of tags.
Fast Reading feature.
Fixed various issues in FB2, Comic, PDF and DJVU books.
Fixed an issue when bookmarks and notes is not saved.
Fixed an issue with saving of bookmarks and notes. 1.8.4 03/20/2014 Alternative EPUB rendering engine.
Added synchronization via Dropbox, Yandex.Disk or Network Folders.
Added support for nested bookshelves.
Improved support of Cloud Storage and Network Folders.
Improved support of e-books in CHM and PDF formats.
Improved support of OPDS catalogs. 1.7.7 03/06/2014 Completely new rendering engine for FB2 format (iOS 7 only)
Full support of RTF format (iOS 7 only)
Improved zooming mode for DJVU/PDF
Auto margin cropping by double tap for DJVU/PDF
Manual margin cropping by double touch for DJVU/PDF works better
Optimizing memory usage in the background
Fixed an issue with the loss of page slider for DJVU/PDF
Fixed "Wrong Content-Type" error while loading DJVU file
Fixed a crash when transferring large files into KyBook from another applications 1.6.7 02/05/2014 CHM scaling
Added Microsoft Translator as an option instead of Yandex.Translate
Improved support of SMB protocol
Optimization of DJVU rendering
Setting to remove DJVU background layer
Fixed a bug in the hyphenation algorithm for texts in Russian
Fixed a crash when searching the web covers 1.6.2 01/03/2014 Various bug fixes for PDF, CHM, OPDS 1.5.8 12/18/2013
About KyBook - EPub,FB2,PDF,DjVu Reader
The company that develops KyBook - EPub,FB2,PDF,DjVu Reader is Konstantin Bukreev. The latest version released by its developer is 2.1.6.
To install KyBook - EPub,FB2,PDF,DjVu Reader on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-13 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the KyBook - EPub,FB2,PDF,DjVu Reader as malware if the download link is broken.
How to install KyBook - EPub,FB2,PDF,DjVu Reader on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the KyBook - EPub,FB2,PDF,DjVu Reader is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After KyBook - EPub,FB2,PDF,DjVu Reader is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 2.1.6
posted on 2026-10-13
Version History Fixed minor bugs.
Thank you for using KyBook!
Please remember to update your reviews. 2.1.6 06/03/2016 Fixed an issue with restoring of the in-app purchases.
Thank you for using KyBook!
Please remember to update your reviews. 2.1.5 04/27/2016 Fixed an issue with broken screen rotation lock when reading.
Fixed an issue with zooming PDF,DJVU.
Thank you for using KyBook!
Please remember to update your reviews. 2.1.4 04/18/2016 Added an ability to export the Samizdat authors.
Fixed an issue with charset encoding in certain books in Chinese. 2.1.2 04/13/2016 Fixed crash when opening a file in CHM format.
Thank you for using KyBook!
Please remember to update your reviews. 2.1.1 03/26/2016 The support of SMB/CIFS protocol was disabled.
The OCR ability was removed.
Fixed an issue with UI language detection, which was the cause of the translation malfunction.
The image search from the Google was replaced to the Bing.
Improved stability and fixed bugs.
Dear users, please take into account what this version does not support the SMB/CIFS protocol!
We apologize, but support for SMB/CIFS protocol is temporarily disabled due Samba.org complaints of violation of intellectual property rights. "This app includes the libsmbclient software, which is part of the Free Software Samba suite. libsmbclient is only made available under the terms of the GPLv3, which are incompatible with the terms of use in the Apple App store."
Thank you for using KyBook!
Please remember to update your reviews. 2.1.0 03/22/2016 Improved stability and fixed bugs. 2.0.7 01/31/2015 Updated Tor Network client.
Added settings for a bookshelf.
Added the ability to share the auto summarization result.
Added the feature to save a book page into Photo Stream.
Added support for printing a book page.
Added the stop-timer for audiobooks.
Added a setting for auto opening a book at the application launch.
Added vertical scrolling without pagination (roll) in fb2, epub (v2) and rtf books.
Added support for Retina backgrounds in the themes.
Added the ability to change the app UI language.
Added the screen with statistics about books.
Added the ability for spoofing User-Agent HTTP header.
Added support for FB2 files containing several books.
Improved performance in PDF books.
Improved rendering of tables in fb2 and epub (v2) books.
Improved support for landscape orientation on iPhone with iOS 8.
Improved synchronization of bookmarks and notes.
Fixed an issue with a table of contents in DJVU books.
Fixed a crash in PDF books when searching.
Fixed issues with downloading books from OPDS catalogs.
Fixed various minor bugs.
Thank you for using KyBook!
Please remember to update your reviews. 2.0.5 01/10/2015 Fixed an issue with the inability to open some epubs.
Added an option to customize the page footer.
Improved support of LitRes.
Added remembering of the current tab at the information screen.
Improved support of Speed Reading.
Drop Cap (only in fb2 book, turns on in the settings).
Fixed errors related to the device orientation change.
Added settings for the context menu in epub/fb2/pdf books.
Improved text selection.
Thank you for using KyBook!
Please remember to update your reviews. 2.0.3 12/04/2014 iPhone6/6+ Support.
Improved presentation of footnotes in FB2 books on iPad.
Displaying of images by double tap in FB2 books.
Page turning by tap in the scroll mode (with and without animation).
Bookshelf renaming.
Indication of the current chapter in the table of contents.
Integration with Yandex.Dictionary.
IDLE timer is disabled on File Transfer screen.
Support of a dictionary (menu item: define) in DJVU.
Added display of a chapter title to PDF/DJVU page.
New design of OPDS Catalogs screen.
Restored the ability to share all the notes at once.
Fixed a performance problem.
Fixed a bug with downloading audiobooks from LitRes.
Thank you for using KyBook! 2.0.1 11/09/2014 Compatibility improvements with iOS 8
A complete redesign of the information screen of the e-book
Restored the group mode for the books on the bookshelf
New All-Notes screen
Various fixes and improvements
Please remember to update your reviews. 1.9.9 10/10/2014 Added settings for Speed Reading.
Improved stability and minor bugs fixed. 1.9.8 08/29/2014 Various fixes and improvements. 1.9.7 08/19/2014 New engine for books in PDF format with support of text selection, annotations, translation and so on.
Various fixes and improvements.
Please remember to update your reviews. 1.9.6 07/24/2014 Integration with OneDrive Cloud Storage.
Added support of WebDAV protocol.
Improved support of LitRes.ru
Improved the text selection.
Fixed various issues for PDF format and synchronization. 1.9.5 07/03/2014 Integration with LitRes.ru service.
Integration with Samizdat service (samlib.ru).
Added 'Share link' feature for Cloud Storage.
Added option to show nested bookshelves.
Added FiraSans font.
Added downloadable PT-Sans and PT-Serif fonts.
Various fixes and improvements.
Please remember to update your reviews. 1.9.4 06/14/2014 Redesign of the translation function.
Added the feature to display a sentence during Speed Reading.
Added AlarmClock function.
Improved support for OCR layer in DJVU books.
Fixed "Out of memory" error for FB2 books with lots of images.
Fixed an issue with playback audio/TTS during an incoming call. 1.9.2 05/18/2014 Automatic text summarization
Various bug fixes 191 05/09/2014 Various bug fixes 1.8.9 04/18/2014 Streaming audiobooks from Yandex.Disk, Dropbox and Network Folders.
Rate control for audiobooks.
Editable settings of OPDS Catalogs and Network Folders.
Menu item "Select All" in a bookshelf.
Search by tags during searching books by title or author.
Display synchronization progress in the sync settings.
Improved support of Speed Reading.
Improved support of FB2 books which violate FictionBook2.1 standard.
Optimized downloading of ebooks from OPDS Catalogs and Websites.
Disable autohiding of a search bar in OPDS Catalog.
Idle timer is disabled during synchronization.
Fixed an issue with editing of bookmark.
Fixed an issue with audiobooks in landscape orientation.
Fixed an issue with adding a bookshelf using Library Browser in iOS6.
Fixed an issue with showing of bookcover from locked password-protected bookshelf.
Fixed "Unable to parse OPDS Feed.".
Please remember to update your reviews. 1.8.8 04/03/2014 Password-protected Bookshelves.
Added support of tables in EPUB/FB2 books (iOS 7 only).
Complete redesign of tags.
Fast Reading feature.
Fixed various issues in FB2, Comic, PDF and DJVU books.
Fixed an issue when bookmarks and notes is not saved.
Fixed an issue with saving of bookmarks and notes. 1.8.4 03/20/2014 Alternative EPUB rendering engine.
Added synchronization via Dropbox, Yandex.Disk or Network Folders.
Added support for nested bookshelves.
Improved support of Cloud Storage and Network Folders.
Improved support of e-books in CHM and PDF formats.
Improved support of OPDS catalogs. 1.7.7 03/06/2014 Completely new rendering engine for FB2 format (iOS 7 only)
Full support of RTF format (iOS 7 only)
Improved zooming mode for DJVU/PDF
Auto margin cropping by double tap for DJVU/PDF
Manual margin cropping by double touch for DJVU/PDF works better
Optimizing memory usage in the background
Fixed an issue with the loss of page slider for DJVU/PDF
Fixed "Wrong Content-Type" error while loading DJVU file
Fixed a crash when transferring large files into KyBook from another applications 1.6.7 02/05/2014 CHM scaling
Added Microsoft Translator as an option instead of Yandex.Translate
Improved support of SMB protocol
Optimization of DJVU rendering
Setting to remove DJVU background layer
Fixed a bug in the hyphenation algorithm for texts in Russian
Fixed a crash when searching the web covers 1.6.2 01/03/2014 Various bug fixes for PDF, CHM, OPDS 1.5.8 12/18/2013
Disclaimer
Official App Store Link
We do not host KyBook - EPub,FB2,PDF,DjVu Reader on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Apple and passed their terms and conditions to be listed there. We recommend caution when installing it.
The App Store link for KyBook - EPub,FB2,PDF,DjVu Reader is provided to you by apps112.com without any warranties, representations or guarantees of any kind, so access it at your own risk.
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