Top 10 MOBI readers
Updated: October 25, 2025 | Editor: Maria Lin
These reading apps allow to open and read MOBI books. MOBI is a e-book file format developed by french company Mobipocket that was bought by Amazon. It's supported by Amazon's Kindles and all Amazon's own formats (AZW, AZW3, KFX) are based on MOBI. MOBI is supported by most readers on PC, Mac, Linux, Android, iOS and even on Windows Phone, Symbian and Blackberry. There are also some cloud services that allow to read MOBI books online.
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FBReader is an free eBook reader that supports numerous file formats like ePub, fb2, plucker, HTML, plain text, doc and more. You can also add multiple books at once in an archived format (tar, zip, gzip, bzip2). It supports embedded images, footnotes, hyperlinks, text search and full screen reading. It also has automatic bookmarking so that you don’t lose your place when closing a book.
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Read tens of thousands of books for free, supports multiple online book sites. Read local books for nice experience with real-time smooth scroll and tons of innovation functions. Supports txt, html, epub, pdf, mobi, umd, fb2, chm, cbr, cbz, rar, zip or OPDS
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Discover free EPUB reader for Windows that transforms your screen into a top-notch ebook reader. Read ebooks in EPUB, MOBI, FB2, CBR and other popular formats. Easily manage a digital library on your PC with Icecream Ebook Reader. Track reading progress, add notes, translate text, use bookmarks, and more. Provides text to speech function.
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CoolReader - an open-source program for reading electronic books in a variety of formats for Windows and Linux. There are also versions for OS Android and e-reading devices (LBook, PocketBook)
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Book reader compatible with Android. Read formats: fb2, fbz, txt, epub, html, doc, docx, odt, rtf, mobi, prc (PalmDoc), tcr. Supported ZIP and GZ archives. It is possible to specify an encoding of reading file (include 932, 936, 949, 950 code page). Local library. The selection of authors, series, title, publication year, genre. Supported interface languages: russian, english, german, greek, ukrainian, belarusian. Fb2 and TXT file editing. If a file is in an archive, edited file is unpacked to the same directory as the original one.
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SumatraPDF, also known as Sumatra, is a free and open-source software PDF reader for Microsoft Windows only. The program also opens Open XML Paper Specification, DjVu, EPUB, XPS, CHM, CBZ and CBR, and MOBI files
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Free eBook Reader. Read EPUB, DJVU, TXT, FB2, DOCX, RTF, PDF, CBR, CB7, CBZ, CBC, AZW3, MOBI eBook online. Easy ebook navigation. Fast and powerful eBook reader with a clean user interface
8
KOReader is a 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.
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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. With its intuitive, yet powerful, interface, Librera makes ebook reading a veritable pleasure. It even features a unique auto-scrolling, hands-free Musician’s mode. As of today, it can boast more than 10 million downloads to devices running all flavors of Android OS.
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Not only an eBooks, Comics reader but also a tons-of-free-ebook-downloader, with dictionary inside for you to studies languages.
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A simple, focused eBook reader for Linux. Read the books you love without having to worry about different format complexities like epub, pdf, mobi, cbr, etc.
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ReadEra is an Android application for reading books and viewing documents, free and without ads. Open and read book files in EPUB, FB2, PDF, DJVU, MOBI, DOC, RTF, TXT and CHM formats. Automatically detects and displays the list of all supported documents on your device, Identifies duplicate files. Support for a table of contents, bookmarks, visual styles. Automatically saves the current reading position, even if the files are moved or temporarily deleted.
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eReader Prestigio: Book Reader is a multi lingual, multi format text and audio books reading app. Intuitive interface in over 25 languages and an in app store library with over 50,000 text (for children and adults) books and Text-To-Speech (read along) functionality.
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Okular is a universal book viewer based on KPDF for KDE 4. This means Okular works on multiple platforms, including but not limited to Linux, Windows, Mac OS X, *BSD, etc. Okular combines the excellent functionalities of KPDF with the versatility of supporting different kind of documents, like PDF, Postscript, DjVu, CHM, XPS, ePub and others.
