Best Book.io alternatives: apps like Book.io

10+ similar apps compared and reviewed

4.1 avg rating
9 free apps
Updated November 2026

Book.io is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Book.io

Inkwell - Customizable Ebooks#1

Inkwell - Customizable Ebooks by Dimitrie Milinovich

Ad Free Epub Reader
Editor's Choice
📚 Books
4.0(10 ratings)
Free
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This free ebook reader offers a highly customizable reading experience with adjustable fonts, colors, and spacing. It seamlessly integrates translation and dictionary lookup, allowing you to import your own EPUB files and enjoy a personalized literary journey.

BookFolder#2

BookFolder by Molly Black

A cozy PDF reader and library
Strong Contender
📚 Books
4.7(30 ratings)
Free
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Organize your PDF library with custom folders, cover images, and themes. Enjoy a personalized reading experience with features like split-screen multitasking and bookmarks. This free app offers a clean interface and essential reading tools.

Epubgle reader#3

Epubgle reader by Contents Color CO.,LTD.

Epub viewer on iPhone iPad Mac
Worth Considering
📚 Books
0.0(0 ratings)
FreeAds
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This app allows you to read EPUB ebooks on your iPhone, iPad, and Mac. It supports both reflowable and fixed-layout layouts, offering customizable text and page display options. Enjoy features like automatic saving of your last reading position and importing books from various sources.

More apps like Book.io

4
Namo eBook Reader
Namo eBook Reader
Namo eBook Reader
Accurate EPUB3 Viewer!
Free

This application offers a robust and accurate way to view EPUB2 and EPUB3 ebooks. It supports various layout types, advanced styling, and provides a suite of user-friendly reading tools for a customizable experience.

EPUB2 and EPUB3 supportReflowable and fixed-layout ebooksHTML5, Javascript, CSS3 rendering
📚 Books
(2)
free
5
Books Reader - Pocket Library
Books Reader - Pocket Library
Books Reader - Pocket Library
Reading tracker & open ebooks
Free

This app provides a seamless e-reading experience, managing your ebook collection and offering customizable reading settings. It supports various formats and includes features like bookmarking, note-taking, and a read/unread tracker.

Supports multiple ebook formats (epub, fb2, mobi, PDF)Manages and organizes ebook collectionsCustomizable text size, color, theme, and brightness
📚 Books
(22)
free with in-app purchases
6
i2Reader Cloud
i2Reader Cloud
i2Reader Cloud
Cloud-sync fb2, epub reader
Free

This app offers a comfortable reading experience with cloud synchronization across devices. Enjoy customizable layouts, interactive features like footnotes and dictionaries, and the ability to download books from various cloud services. It supports multiple formats and allows family sharing of libraries.

iCloud synchronization for library and reading progressCustomizable book layout (fonts, colors, spacing)Download books from Dropbox, Google Drive, Yandex Disk
📚 Books
(75)
free with in-app purchases
7
csBooks - ePub and PDF reader
csBooks - ePub and PDF reader
csBooks - ePub and PDF reader
Read ePub Mobi PDF and Comics
Free

This app allows users to read and manage ePub and PDF books from their device. It offers features like automatic thumbnail generation, reading progress tracking, customizable text size, and multiple themes for a comfortable reading experience.

Read ePub and PDF filesManage book libraryAuto book thumbnail generation
📚 Books
(0)
free with in-app purchases
8
eBooks Pro: EPUB & PDF Reader
eBooks Pro: EPUB & PDF Reader
eBooks Pro: EPUB & PDF Reader
Read Aloud, Annotate & Ask AI
$4.99

This app allows you to read EPUB and PDF books with customizable reading settings, listen to books with a lifelike voice, and annotate your texts. It also features an AI assistant for summaries and translations, along with tools to organize your library and track reading progress.

Read EPUB and PDF filesLifelike text-to-speechHighlight and annotate text
📚 Books
(8)
paid
9
Storyteller Reader
Storyteller Reader
Storyteller Reader
by Shane Friedman
Free

Create and read ebooks with guided narration on your device. This self-hosted platform allows you to enjoy EPUB books, including those with immersive reading features. Pair it with a backend server for automatic alignment of audiobooks and ebooks.

Create and read ebooksGuided narrationEPUB support
📚 Books
(46)
free
10
MapleRead CX
MapleRead CX
MapleRead CX
EPUB Reader
Free

This app offers a unique audio-visual reading experience for EPUB ebooks. Customize book styles, generate pseudo audiobooks with various voices, and enjoy immersive reading with synchronized audio and text. It also functions as a powerful library management tool with extensive customization options.

Audio-visual EPUB readerPseudo audiobook generationImmersion reading (sync audio/text)
📚 Books
(24)
paid