Comparison

KyBook 3 Ebook Reader vs EPUB Reader

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

Head to head
About

KyBook 3 Ebook Reader

This app is a versatile e-book reader and cataloger supporting numerous formats like EPUB, MOBI, and PDF. It offers a comfortable reading experience with customizable options, powerful annotation tools, and seamless cloud storage integration. Organize your library with tags, collections, and a handy cataloguer.

Highlights
  • Supports all major e-book formats
  • OPDS catalog access
  • Comfortable reading mode with themes
  • Powerful annotations and summary editor
  • Handy cataloguer with tagging
  • Cloud storage integration
Features
Read full description

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. Key features • All the major e-book formats • OPDS catalogs • Comfortable reading mode • Powerful annotations • Handy cataloguer • Cloud Storage Ebook Formats • EPub (DRM-free) • PDF (DRM-free) • MobiPocket and Kindle (mobi, azw3) • DjVu • FictionBook (fb2, fb2.zip) • Comic Book (cbr, cbz, cbt) • Audio Book (mp3, m4a, m4b) • Plain and rich text (txt, rtf) OPDS Catalogs • 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) Powerful annotations • 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. Handy cataloguer • 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. File Storage • 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. Terms & Privacy policy http://kybook-reader.com/terms http://kybook-reader.com/privacy-policy

About

EPUB Reader

This app allows you to easily import, read, and manage EPUB e-books across multiple devices. It offers features like highlighting, note-taking, and customizable reading settings for a personalized experience.

Highlights
  • Import EPUB files easily
  • Highlight and annotate book content
  • Customize font size and themes
  • Cloud storage and multi-device sync
  • Organize books into categories
  • Search within EPUB books
Features
Read full description

Neat Reader is an App specifically designed for reading EPUB e-books. It is trusted and loved by millions of people around the word. Neat Reader is a cross-platform ePub reader that supports "cloud storage, multi-end synchronization" and supports all the mainstream OS. You can open and read ePub files on any platform and experience a seamless reading experience. Neat Reader can perfectly parse various ePub files and provide a variety of reading features such as notes, search, customization and more. Effectively meet the user's personalized needs for reading ePub. IMPORT & VIEW EPUB FILES · Easily import your ePub files by wifi-transfer and other convenient methods. · Choose Neat Reader while you are opening EPUB files in other apps, the file will be automatically add to Neat Reader library. · Quickly open and view EPUB books. · Use a variety of ways to navigate within the EPUB book. ANNOTATE EPUB BOOKS · Highlight book contents and write notes on them. · Quickly jump to the highlight position inside the EPUB books. · Highlight color changes automatically when you change the theme. CUSTOMIZATION · Change the font size, style of the EPUB books. · Select the most suitable color theme for environment. IN APP PURCHASE If you need to read your EPUB books on more than two devices, no matter what device they are and what system they are running, you should upgrade your account to Premium. Neat Reader Premium will give you 10GB cloud storage and when your EPUB book is uploaded to the cloud, all the reading data will be synchronized automatically. Put it simple, when you are Premium, your EPUB books will be stored in the cloud and you can get seamless reading experience on all your devices. MANAGE EPUB FILES · You can create category for your books and manage them in your way. · With 10 GB cloud storage, you can upload about 5000 EPUB files to the cloud storage. MORE ABOUT NEAT READER If you want to know the latest information about Neat Reader, or download Neat EPUB Reader application for other platforms, please visit https://www.epubreader.xyz . This website mainly used for promotion of Neat Reader and it will always keep up to date. ABOUT US We are dedicated to ePub technology and have carefully applied years of ePub software experience in Neat Reader. We will keep working on Neat Reader apps so that you can enjoy your EPUB books in the future. TERMS & CONDITIONS Your use of this application is governed by the Neat Reader Terms of End User and Privacy Policy (https://www.neat-reader.com/info?target=agreement) What are you waiting for? Come and download the word famous EPUB Reader, and start to enjoy your eBooks now.

Screenshots

KyBook 3 Ebook Reader4 screens
EPUB Reader4 screens

Verdict

The call

The clearest difference is rating: KyBook 3 Ebook Reader at 4.7 against EPUB Reader's 3.0. KyBook 3 Ebook Reader also leads on update cadence (every 5 days vs every 2 months) and ratings volume (4.7K vs 11). On price, review sentiment, ads and in-app purchases 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. KyBook 3 Ebook Reader sells 4 in-app purchases, starting at $4.49 per 3 months and EPUB Reader sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

KyBook 3 Ebook Reader holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: KyBook 3 Ebook Reader has 4.7K ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 61% of KyBook 3 Ebook Reader's written reviews are positive against 55% of EPUB Reader's.

UpkeepUpdate frequency

KyBook 3 Ebook Reader ships an update every 5 days, EPUB Reader every 2 months. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.

Scorecard4 real differences · 6 level
KyBook 3 Ebook Reader versus EPUB Reader: the parameters behind the verdict, then further details
ParameterKyBook 3 Ebook ReaderEPUB Reader
PriceFreeFree
Rating4.7 (4.7K ratings) — better3.0 (11 ratings)
Positive reviews61.0% of reviews — better54.8% of reviews
Number of ratings4.7K — better11
Update frequencyEvery 5 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size53 MB36 MB
Age rating17+4+
DeveloperKonstantin BukreevNeatReader

Customer experience

KyBook 3 Ebook Reader

All ratings4,616 ratings
Positive91.6%
Neutral3.2%
Negative5.2%
Written reviews677 reviews
Positive61.0%
Neutral10.0%
Negative29.0%

EPUB Reader

All ratings11 ratings
Positive36.4%
Neutral27.3%
Negative36.4%
Written reviews124 reviews
Positive54.8%
Neutral12.1%
Negative33.1%

Bugs and requests

KyBook 3 Ebook Reader

Reported bugs

5 issues
  • Inability to open/read certain file formats
  • Sync and account creation issues
  • Problems with PDF and image display
  • Crashes and compatibility problems
  • Duplication of books in library

Requested features

6 requests
  • Left alignment option
  • Dark mode/OLED black theme
  • Improved image handling
  • Better support for Chinese language
  • Vertical page flip
Show 1 more
  • Improved text-to-speech capabilities

EPUB Reader

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

KyBook 3 Ebook Reader

Subscriptions2
  • 3 months subscription7 Days trial$4.493 Months
  • Yearly subscription7 Days trial$14.991 Year
One-time2
  • Upgrade to Pro (Discount)$2.99
  • Upgrade to Pro$4.99
8 purchases

EPUB Reader

One-time8
  • Annual Premium Member - Sale$8.99
  • Annual Premium Member$11.99
  • Annual Premium Member - Sale$13.99
Show 5 more
  • Annual Premium Member$19.99
  • Lifelong Premium Member - Sale$27.99
  • Lifelong Premium Member - Sale$34.99
  • Lifelong Premium Member$41.99
  • Lifelong Premium Member$49.99

Questions

Is KyBook 3 Ebook Reader free?
KyBook 3 Ebook Reader is free to download, with in-app purchases available.
Is EPUB Reader free?
EPUB Reader is free to download, with in-app purchases available.
Which has better reviews, KyBook 3 Ebook Reader or EPUB Reader?
KyBook 3 Ebook Reader is rated higher. KyBook 3 Ebook Reader averages 4.7 out of 5 from 4.7K ratings, while EPUB Reader averages 3.0 from 11 ratings.
Do KyBook 3 Ebook Reader or EPUB Reader have ads?
Neither KyBook 3 Ebook Reader nor EPUB Reader shows ads.
Which is updated more often, KyBook 3 Ebook Reader or EPUB Reader?
KyBook 3 Ebook Reader ships an update every 5 days, and EPUB Reader every 2 months. Most recently, KyBook 3 Ebook Reader was updated on October 27, 2026 and EPUB Reader on October 26, 2026.

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