Comparison

PocketBook Reader vs KyBook 2 Ebook Reader

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PocketBook Reader

This app is a versatile reader supporting 26 book and audio formats, including EPUB, PDF, and audiobooks. It offers features like PDF reflow, text-to-speech, cloud synchronization, and extensive customization options for a comfortable reading experience.

Highlights
  • Supports 26 book and audio formats
  • PDF Reflow function
  • Text-to-speech engine
  • Cloud synchronization service
  • Customizable interface and reading settings
  • Adobe DRM support
Features
Currently charting
Read full description

PocketBook Reader is a free app for reading all formats (books, magazines, textbooks, comic books, etc.) and listening to audiobooks! The application supports 26 book and audio formats, including mobi, epub, fb2, cbz, cbr. Read without ads and with total comfort! Choose any content - any format! • Support of 19 book formats, including the most popular - EPUB, FB2, MOBI, PDF, DJVU, DOCX, RTF, TXT, HTML; • Comic book formats CBR and CBZ; • Open books protected with Adobe DRM (PDF, EPUB); • PDF Reflow function (reflow text in PDF files). Listen to audiobooks! • You can listen to audiobooks and other audio files in MP3, M4B, and take notes in them; • Built-in TTS (Text-to-speech) engine for the voicing of the text files. Download and sync content easily! • Free PocketBook Cloud service for synchronizing all your books, including audiobooks, as well as reading positions, notes and bookmarks on all your devices; • Your files from Dropbox or Google Books services are easily connected to the app to create one consolidated library. You can even connect multiple accounts at the same time; • Support for OPDS catalogs - get access to network libraries; • ISBN scanner, for quick search of electronic versions of books by barcode; • Opportunity to borrow books and periodicals; • If you have a E Ink e-reader PocketBook, you can easily synchronize all your books and accounts just by scanning a QR code. Ready to switch from another app? No problem! Getting started with PocketBook Reader is easy! With an intuitive interface, the application provides you with unprecedented freedom – lots of options for settings and no restrictions. Choose, change, customize, and personalize! • Intuitive interface, easy navigation, and minimalistic design; • Opportunity to choose one of the seven interface color themes, reassign the buttons and display areas; • Two night-reading modes - for better reading comfort anytime; • Adjust the font style, font size, line spacing, and margin size; • Animation of turning pages; • Opportunity to crop margins – make the page look exactly the way you want. Get fast file access and easy search! • All files are quickly found and instantly opened, even with built-in audio and video fragments; • Your books will never be lost in the device’s memory - thanks to the smart search, scanning files on your tablet or smartphone is a matter of seconds. Any file or document can be found in a few clicks! • The app allows you to sort books, create collections, filter and mark files as you like. Your library - your rules; • Convenient managing of audio files - it is easy to sort and play your audiobooks. Make bookmarks, take notes, add comments! • You can quickly find all your notes and share them with friends via email or messengers; • Collect all your notes, bookmarks, and comments into separate files for even greater convenience. PocketBook Reader was created by avid readers for avid readers, and that’s why it’s probably the best e-book reader app.

About

KyBook 2 Ebook Reader

This app is a versatile e-book reader that supports a wide range of formats including EPUB, MOBI, and PDF. It offers extensive customization for reading modes, cloud storage integration, and text-to-speech capabilities for audiobooks.

Highlights
  • Supports EPUB, MOBI, PDF, DJVU, and more
  • OPDS catalog and cloud storage integration
  • Customizable reading modes (font, theme, size)
  • Text-to-speech for e-books and audiobooks
  • Book cataloging and organization
  • Speed reading and text summarization
Features
Read full description

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.

Screenshots

PocketBook Reader4 screens
KyBook 2 Ebook Reader4 screens

Verdict

The call

The clearest difference is update cadence: KyBook 2 Ebook Reader at fortnightly against PocketBook Reader's every 2 months. KyBook 2 Ebook Reader also leads on rating (4.7 vs 4.5) and review sentiment (68% vs 54%). PocketBook Reader's advantage is chart position (#159 vs unranked) and ratings volume (9.8K vs 2.3K). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PocketBook Reader sells 41 one-off in-app purchases and KyBook 2 Ebook Reader sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

KyBook 2 Ebook Reader holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 9.8K and 2.3K respectively. Written reviews point the same way: 54% of PocketBook Reader's written reviews are positive against 68% of KyBook 2 Ebook Reader's.

UpkeepUpdate frequency

PocketBook Reader ships an update every 2 months, KyBook 2 Ebook Reader fortnightly. The most recent releases landed on September 27, 2026 and September 26, 2026 respectively.

Scorecard6 real differences · 5 level
PocketBook Reader versus KyBook 2 Ebook Reader: the parameters behind the verdict, then further details
ParameterPocketBook ReaderKyBook 2 Ebook Reader
PriceFreeFree
Rating4.5 (9.8K ratings)4.7 (2.3K ratings) — better
Positive reviews54.5% of reviews67.6% of reviews — better
Number of ratings9.8K — better2.3K
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#159 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.08.1 — better
Further details — not scored
Size106 MB51 MB
Age rating9+17+
DeveloperPocketbook International SAKonstantin Bukreev

Customer experience

PocketBook Reader

All ratings9,831 ratings
Positive87.4%
Neutral3.9%
Negative8.7%
Written reviews1,336 reviews
Positive54.5%
Neutral11.8%
Negative33.8%

KyBook 2 Ebook Reader

All ratings2,337 ratings
Positive93.7%
Neutral2.5%
Negative3.8%
Written reviews250 reviews
Positive67.6%
Neutral6.0%
Negative26.4%

User reviews

PocketBook Reader

From 9.8K App Store ratings

What we love

  • 👍 Convenient reading experience
  • 🚀 Smooth scrolling
  • 💡 Customizable settings (font, margin, etc.)
  • 🔒 Supports DRM-protected content
  • 👍 Intuitive user interface

Room to improve

  • 🐛 Crashes and freezes
  • 🐛 Unreliable cloud sync
  • 🐛 Inconsistent page rendering
  • 🐛 Buggy text highlighting and annotation
  • 🐛 Slow loading times

KyBook 2 Ebook Reader

From 2.3K App Store ratings

What we love

  • 👍 Stable and solid
  • 👍 Customizable reading experience
  • 👍 Excellent reading app
  • 👍 Great for reading PDFs and ebooks
  • 👍 Syncs across devices

Room to improve

  • 🐛 Bugs and crashes
  • 💰 Aggressive push for paid upgrades
  • 🔍 Confusing navigation and UI
  • 📢 Intrusive ads
  • 🔒 Clipboard access concerns

Bugs and requests

PocketBook Reader

Reported bugs

4 issues
  • Books disappearing from library after login issues
  • Inability to open DRM-protected PDFs
  • Inconsistent behavior when switching between portrait and landscape modes
  • Text-to-speech voice quality issues

Requested features

5 requests
  • Ability to organize books into custom folders
  • Option to disable quick action zones
  • Improved text-to-speech controls (seek, pause, etc.)
  • Support for handwritten annotations with Apple Pencil
  • Faster page turning and scrolling

KyBook 2 Ebook Reader

Reported bugs

4 issues
  • Books not loading properly
  • Restore purchases not working
  • Sync issues with cloud services
  • Unexpected behavior after updates

Requested features

6 requests
  • Ability to edit color themes
  • Organize books into folders
  • Annotation and note-taking features
  • Resume reading from last page
  • Goodreads integration
Show 1 more
  • Adjustable font size and brightness

In-app purchases

41 purchases

PocketBook Reader

One-time41
  • eBook3 variants$0.99
  • eBook (class A)$0.99
  • eBook2 variants$1.99
Show 38 more
  • eBook (class B)$1.99
  • eBook$2.95
  • eBook2 variants$2.99
  • eBook (class C)$2.99
  • eBook3 variants$3.99
  • eBook: type 4.79$3.99
  • eBook: type 4.19$3.99
  • eBook (class D)$3.99
  • eBook (class Alt5)$4.99
  • eBook: type 5.39$4.99
  • eBook (class F)$4.99
  • eBook: type 5.89$4.99
  • eBook$4.99
  • eBook: type 5.09$4.99
  • eBook (class G)$5.99
  • eBook2 variants$5.99
  • eBook: type 7.09$5.99
  • eBook: type 7.19$5.99
  • eBook: type 8.29$6.99
  • eBook: type 7.59$6.99
  • eBook3 variants$7.99
  • eBook: type 8.89$7.99
  • eBook (class J)$8.99
  • eBook$8.99
  • eBook$9.90
  • eBook2 variants$9.99
  • eBook (class L)$10.99
  • eBook: type 13.9$11.90
  • eBook$11.99
  • eBook: type 12.99$11.99
  • eBook$12.99
  • eBook (class N)$12.99
  • eBook (class O)$13.99
  • eBook: type 17.9$14.90
  • eBook$14.99
  • eBook (class R)$16.99
  • eBook (class T)$18.99
  • eBook (class W)$21.99
2 purchases

KyBook 2 Ebook Reader

One-time2
  • Upgrade to Pro Version$1.99
  • Upgrade to Pro Version$2.99

Questions

Is PocketBook Reader free?
PocketBook Reader is free to download, with in-app purchases available.
Is KyBook 2 Ebook Reader free?
KyBook 2 Ebook Reader is free to download, with in-app purchases available.
Which has better reviews, PocketBook Reader or KyBook 2 Ebook Reader?
KyBook 2 Ebook Reader is rated higher. PocketBook Reader averages 4.5 out of 5 from 9.8K ratings, while KyBook 2 Ebook Reader averages 4.7 from 2.3K ratings.
Do PocketBook Reader or KyBook 2 Ebook Reader have ads?
Neither PocketBook Reader nor KyBook 2 Ebook Reader shows ads.
Which is updated more often, PocketBook Reader or KyBook 2 Ebook Reader?
PocketBook Reader ships an update every 2 months, and KyBook 2 Ebook Reader fortnightly. Most recently, PocketBook Reader was updated on September 27, 2026 and KyBook 2 Ebook Reader on September 26, 2026.

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