KyBook 2 Ebook Reader
KyBook 2 Читалка для книг
KyBook 2 Ebook Reader is #79 in Books Free in Russia and charting in 1 of 24 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperKonstantin Bukreev
CategoryBooks
PriceFree
Released
Rating★ 4.7 (19k)
Version1.2.8
Age rating17+
First seen by us
24 Sep 2026
Installs (est.)1M+ worldwide
Rating
4.7 ★
19k ratings
Measured
Best rank now
#79
Measured
KyBook 2 Ebook Reader on the App Store
App details
App ID
1018584176
Publisher
Konstantin Bukreev
Content rating
17+
KyBook 2 Ebook Reader downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where KyBook 2 Ebook Reader's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| BooksFree | #79 |
Apps near KyBook 2 Ebook Reader on the chart
Books Free, around #79.
Ratings
App Store, worldwide.
Rating
4.7 ★
19k ratings
Measured
Ratings
19k
Measured
About KyBook 2 Ebook Reader
Attention, since October 1, 2019, the third edition of the application is available on the App Store - KyBook 3 Reader.
The best way to read your books ever!
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:
- EPUB, FB2, RTF, PDF, DJVU, MOBI, AZW3, CBR, CBZ, CBT, MP3, M4A, M4B formats
- OPDS catalogs
- Cloud Storage
- Flexible reading mode settings
- Handy cataloguer
- Text-to-speech technology
More:
- Supports e-books in EPUB (DRM-free), FictionBook (fb2, fbz, fb2.zip), TXT, RTF, PDF, DJVU, Comic Book (cbr, cbz, cbt), MobiPocket (mobi), Kindle (azw3), and Audio Book (mp3, m4a, m4b) formats.
- Provides access to enormous collection of free electronic books through OPDS-catalogs support.
- Finds books in your Cloud Storage or anywhere in Internet.
- Saves your books into iCloud, Dropbox, Yandex Disk, Google Drive, OneDrive, Cloud Mail.ru, ownCloud (WebDAV) and Shared folders (SMB/CIFS).
- Allows customize: font, colour theme, text size, text alignment mode, margins, paragraph indention, hyphenations and more.
- Provides easy navigation inside the book using table of content, bookmarks or notes.
- Helps organizing your books, cataloging them, grouping and sorting in different modes.
- Provides detailed information about each of your book.
- Allows choosing book covers from different sources, changing titles and subjects and even more.
- Uses text-to-speech technology to voice any e-book.
- Supports translation of text and the vocabularies in StarDict and Lingvo DSL format.
- Integrates with social networking services.
- Supports of archives in ZIP, RAR and TAR format.
- Provides Speed Reading.
- Allows to stream audio for audio books in Cloud Storage.
- Supports fuzzy search and search using regular expressions in a text book.
- Supports automatic text summarization and precis-writing.
- Supports preview of iWork, Microsoft Office, CSV, HTML files.
The best way to read your books ever!
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:
- EPUB, FB2, RTF, PDF, DJVU, MOBI, AZW3, CBR, CBZ, CBT, MP3, M4A, M4B formats
- OPDS catalogs
- Cloud Storage
- Flexible reading mode settings
- Handy cataloguer
- Text-to-speech technology
More:
- Supports e-books in EPUB (DRM-free), FictionBook (fb2, fbz, fb2.zip), TXT, RTF, PDF, DJVU, Comic Book (cbr, cbz, cbt), MobiPocket (mobi), Kindle (azw3), and Audio Book (mp3, m4a, m4b) formats.
- Provides access to enormous collection of free electronic books through OPDS-catalogs support.
- Finds books in your Cloud Storage or anywhere in Internet.
- Saves your books into iCloud, Dropbox, Yandex Disk, Google Drive, OneDrive, Cloud Mail.ru, ownCloud (WebDAV) and Shared folders (SMB/CIFS).
- Allows customize: font, colour theme, text size, text alignment mode, margins, paragraph indention, hyphenations and more.
- Provides easy navigation inside the book using table of content, bookmarks or notes.
- Helps organizing your books, cataloging them, grouping and sorting in different modes.
- Provides detailed information about each of your book.
- Allows choosing book covers from different sources, changing titles and subjects and even more.
- Uses text-to-speech technology to voice any e-book.
- Supports translation of text and the vocabularies in StarDict and Lingvo DSL format.
- Integrates with social networking services.
- Supports of archives in ZIP, RAR and TAR format.
- Provides Speed Reading.
- Allows to stream audio for audio books in Cloud Storage.
- Supports fuzzy search and search using regular expressions in a text book.
- Supports automatic text summarization and precis-writing.
- Supports preview of iWork, Microsoft Office, CSV, HTML files.
Latest updates
1.2.8
- Fixed crash when using the translation service in iOS 9.
- Few minor improvements.