Readest AlternativesOnly apps categorised as PDF Readers

The best PDF Reader alternative to Readest is calibre, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Readest and eight of them are PDF Readers so hopefully you can find a suitable replacement. Other interesting PDF Reader alternatives to Readest are KOReader, Koodo Reader, Foliate and FBReader.

filter to find the best alternatives

Readest alternatives are mainly Ebook Readers, but if you're looking for PDF Readers or Ebook Libraries you can filter on that. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Readest.
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Alternatives list

  1. calibre icon

    calibre

     1481 likes
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    Free e-book manager with features including library management, format conversion, syncing to devices, internet-independent operation, built-in viewer, news download as e-books, text-to-speech, privacy focus, extensible plugins, and no registration or tracking.

    111 calibre alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
    • Flathub
    • PortableApps.com
    • Homebrew
    calibre screenshot 1
     

    • calibre is the most popular Windows, Mac, Linux & Self-Hosted alternative to Readest.

    • calibre is the most popular Open Source & free alternative to Readest.

    • calibre is Free and Open SourceReadest is also Free and Open Source
    • calibre is CustomizableReadest is not according to our users
  2. KOReader icon

    KOReader

     71 likes
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    An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Kindle, Kobo, PocketBook, Linux and Android devices.

    66 KOReader alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Linux
    • Android
    • AppImageHub
    • Kobo Books
    • Flathub
    • F-Droid
    • Kindle Fire
    • Android Tablet
    KOReader screenshot 1
    KOReader screenshot 2
    KOReader screenshot 3
     

    • KOReader is the most popular Android & Android Tablet alternative to Readest.

    • KOReader is Free and Open SourceReadest is also Free and Open Source
  4. Koodo Reader icon

    Koodo Reader

     57 likes
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    Koodo Reader is an all-in-one e-book reader that can help you better manage and study your e-books. It's free and open-source.

    28 Koodo Reader alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Flathub
    Koodo Reader screenshot 1
     

    • Koodo Reader is the most popular Web-based alternative to Readest.

    • Koodo Reader is Free and Open SourceReadest is also Free and Open Source
    • Koodo Reader is CustomizableReadest is not according to our users
  6. FBReader icon

    FBReader

     219 likes
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    E-reader application.

    107 FBReader alternatives

    Cost / License

    • Freemium (Pay once)
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    FBReader screenshot 1
    FBReader screenshot 2
     

    • FBReader is the most popular iPhone & iPad alternative to Readest.

    • FBReader is Freemium and ProprietaryReadest is Free and Open Source
  9. Librum icon

    Librum

     9 likes
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    A clean and simple way to read your books on any device and build your own online library.

    Cost / License

    • Freemium (Pay once)
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    Librum screenshot 1
     
  10. Chaka icon

    Chaka

     4 likes
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    Read fluently and comfortably, with simple and clear interface.

    Supported Document Types: PDF, EPUB, MOBI, CBZ, FB2, XPS, TXT, HTML, OFFICE(DOCX, XLSX, PPTX) and ZIP/GZIP

    Features: Horizontal / Vertical Flip Continuous Scroll Lock Stray: Keep scroll straight Margin Crop Focus M.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Android
    Chaka screenshot 1
    Chaka screenshot 2
    Chaka screenshot 3
     
8 of 8 Readest alternatives