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KOReader Alternatives

KOReader is described as 'document viewer for E Ink devices. Supported fileformats include EPUB, PDF, DjVu, XPS, CBT, CBZ, FB2, PDB, TXT, HTML, RTF, CHM, DOC, MOBI and ZIP files. It’s available for Kindle, Kobo, PocketBook, Android and desktop Linux' and is a Ebook Reader in the news & books category. There are more than 25 alternatives to KOReader for a variety of platforms, including Android, Windows, Android Tablet, Linux and iPhone. The best alternative is SumatraPDF, which is both free and Open Source. Other great apps like KOReader are calibre, Okular, Amazon Kindle and FBReader.

KOReader alternatives are mainly Ebook Readers but may also be PDF Readers or Ebook Libraries. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of KOReader.
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KOReader iconKOReader
  15
  • FreeOpen Source
  • Linux
  • Android
  • Kobo
  • PocketBook Reader
  • Kindle Fire

KOReader is a document viewer for E Ink devices. Supported fileformats include EPUB, PDF, DjVu, XPS, CBT, CBZ, FB2, PDB,...

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  1. Sumatra PDF is a free PDF, eBook (ePub, Mobi), XPS, DjVu, CHM, Comic Book (CBZ and CBR) viewer for Windows.

    ⚫︎ LightweightSumatraPDF consumes less device resources compared to similar apps.
    ⚫︎ Ad-freeSumatraPDF doesn't contain any form of external advertising.
    ⚫︎ PortableSumatraPDF can be used from a USB stick or similar with no prior installation.
    ⚫︎ PDF annotationSumatraPDF support PDF Annotation for highlighting, notes etc
    ⚫︎ Dark ModeSumatraPDF supports dark mode for comfortable usage in low light conditions.
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  2. Calibre is a free and open source e-book library management application made by users, for users. Many languages, designed around the concept of the logical book, i.e., a single entry in your library that may correspond to actual e-book files in several formats.

    ⚫︎ Built-in viewercalibre shows you a quick preview of an image, page or file in supported formats.
    ⚫︎ Customizablecalibre is easy to customize with themes or similar features.
    ⚫︎ Portablecalibre can be used from a USB stick or similar with no prior installation.
    ⚫︎ DRM FreeNo Digital rights management (DRM), i.e. no copy protection.
    ⚫︎ Extensible by Plugins/Extensionscalibre can be extended with add-ons, plugins and extensions.
    ⚫︎ Handwritten Notescalibre supports writing by hand (or a stylus) and your text will be converted to text.
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    calibre vs KOReader opinions
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    wish_dumain

    Not the same functionality. One is an e-book reader. The other is an e-book manager

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  3. Multi-platform, fast and packed with features, Okular allows you to read PDF documents, comics and EPub books, browse images, visualize Markdown documents, and much more.

    ⚫︎ PDF annotationOkular support PDF Annotation for highlighting, notes etc
    ⚫︎ LightweightOkular consumes less device resources compared to similar apps.
    ⚫︎ Dark ModeOkular supports dark mode for comfortable usage in low light conditions.
    ⚫︎ Text to SpeechOkular allows you to transform written text into spoken text.
    ⚫︎ Fill PDF FormsOkular supports forms in PDF files.
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  4. Amazon Kindle icon

    Amazon Kindle

    • FreeProprietary
    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Blackberry
    • Android Tablet
    • Windows Phone
    • iPad

    Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and Android-based device. You can discover and read over 630,000 books in the Kindle Store, including the latest bestsellers and new releases.

    ⚫︎ Sync Across DevicesAmazon Kindle can sync your data across devices like your phone, desktop and tablet
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    Kindle on the iPhone/iPod
  5. FBReader icon

    FBReader

    • FreemiumProprietary
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad

    E-reader application.

    ⚫︎ Dark ModeFBReader supports dark mode for comfortable usage in low light conditions.
    ⚫︎ Sync Across DevicesFBReader can sync your data across devices like your phone, desktop and tablet
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  6. Moon+ Reader icon

    Moon+ Reader

    • FreemiumProprietary
    • Android
    • Android Tablet
    • Kindle Fire

    Innovative book reader with powerful controls & full functions.

    ⚫︎ Text to SpeechMoon+ Reader allows you to transform written text into spoken text.
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  7. Librera Reader icon

    Librera Reader

    • FreemiumOpen Source
    • Android
    • Android Tablet
    • F-Droid

    Librera Reader is a highly customizable and feature-rich application for reading books in PDF, EPUB, MOBI, DjVu, FB2, TXT, RTF, AZW, AZW3, HTML, CBZ, CBR formats on Android devices.

    ⚫︎ Ad-freeLibrera Reader doesn't contain any form of external advertising.
    ⚫︎ CustomizableLibrera Reader is easy to customize with themes or similar features.
    ⚫︎ Text to SpeechLibrera Reader allows you to transform written text into spoken text.
    ⚫︎ LightweightLibrera Reader consumes less device resources compared to similar apps.
    ⚫︎ Full-Text SearchLibrera Reader lets you search for specific words or phrases from inside a document or database.
    ⚫︎ Dark ModeLibrera Reader supports dark mode for comfortable usage in low light conditions.
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    easy to get via github even if you have no access to google's service

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  8. ReadEra icon

    ReadEra

    • FreemiumProprietary
    • Android

    Read book files in EPUB, PDF, DOC, DOCX, RTF, TXT, DJVU, FB2, MOBI and CHM formats. Supports chapters, bookmarks, page style. Saves the current reading position. Automatic detection and display of the list of all supported documents on your device.

    ⚫︎ Dark ModeReadEra supports dark mode for comfortable usage in low light conditions.
    ⚫︎ No registration requiredYou can use most of the features in ReadEra without registration.
    ⚫︎ Ad-freeReadEra doesn't contain any form of external advertising.
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  9. Document Viewer icon

    Document Viewer

    • FreeOpen Source
    • Android
    • Android Tablet
    • F-Droid

    Document Viewer is a highly customizable document viewer for Android, fork of the last GPL version of EBookDroid .

    ⚫︎ CustomizableDocument Viewer is easy to customize with themes or similar features.
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    library view
  10. Apple Books is the single destination for all the books you love, and the ones you’re about to. Browse the Book Store, join Oprah’s new Book Club, keep track of what you’ve read and want to read, and listen to enthralling audiobooks. All in one place.

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Showing 10 of 33 alternatives