KyBook - EPub,FB2,PDF,DjVu Reader app icon

KyBook - EPub,FB2,PDF,DjVu Reader

by Konstantin Bukreev

EN / ES / FRTrending downSentimenttrend not available
Appeye score 81 out of 100, from 242 reviews (moderate confidence)

242 reviews analysed · 27 Aug 2013 – 31 Jul 2026 · scored 14 Sep 2026

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Based on 242 reviews from 27 Aug 2013 - 31 Jul 2026.

Overview

Appeye score
81/100moderate confidence
Category rank
#1083 of 1,745Books & Reference
Reviews analysed
242Scored reviews from the App Store.
Sentiment trend
Trending downIts trend signals are moving in a negative direction.
App Store
4.4

465 ratings

Review sentiment

75
App nameKyBook - EPub,FB2,PDF,DjVu Reader
SellerKonstantin Bukreev
GenreBook
Version2.1.6
Content rating17+
Requires iOS8.0
Size50 MB
Released9 Aug 2013
Current version3 Jun 2016
View on App Store
App 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 - Integrat

Sentiment over time

Not enough monthly history yet to show a trend.

Version history sentiment

Per-release positive review share for each app version that has at least 3 analysed reviews, oldest first — so you can see whether the last real release helped or hurt separately from the calendar-month trend.

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Version history · App Store

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