Best Calibre Alternatives in 2025
Looking for alternatives to Calibre? In this comparison, we take a closer look at Calibre alongside similar software solutions including Calibre, Alfa Ebooks Manager, Icecream Ebook Reader, DigiBookBrowser and Sigil.
Our detailed comparison table highlights key features, pricing, and performance of these leading solutions, empowering you to make an informed decision. Whether you're seeking robust functionality, user-friendly design, or cost-effective alternatives, explore how Calibre, Alfa Ebooks Manager, Icecream Ebook Reader, DigiBookBrowser and Sigil stack up to find the perfect software for your goals.
Open Source Status
 Calibre
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Free and open source e-book management tool. |
 Alfa Ebooks Manager
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Paid license software with a free trial version. |
 Icecream Ebook Reader
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Free version available with pro upgrade; not open source. |
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DigiBookBrowser
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Free software with a 30-day free trial period. |
 Sigil
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Free, open-source e-book editor focusing on EPUB format. |
Supported E-book Formats
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Calibre
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Supports a wide range including EPUB, MOBI, AZW3, PDF, and others. |
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Alfa Ebooks Manager
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Supports most popular e-book formats including EPUB, FB2, MOBI, PDF. |
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Icecream Ebook Reader
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Supports EPUB, FB2, MOBI, PDF formats. |
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DigiBookBrowser
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Supports EPUB, MOBI, PDF and other multiple e-book file formats. |
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Sigil
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Supports EPUB format only for e-book creation and editing. |
Key Features
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Calibre
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Built-in e-book viewer and conversion tool, portable version, content server for remote access. |
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Alfa Ebooks Manager
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Built-in e-book reader and web browser, user-friendly interface, powerful search and filtering capabilities. |
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Icecream Ebook Reader
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Built-in library management with bookmarking, multiple reading modes, font and background customization. |
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DigiBookBrowser
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Built-in dictionary, annotations, customizable bookmarks, read-aloud feature with speech support. |
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Sigil
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EPUB validator and image editor included, extensive design customization with CSS and HTML editing. |
Choosing the right software isn’t just about features. Size, license type, user ratings, and popularity also matter.
This quick comparison shows how Calibre stacks up against Calibre, Alfa Ebooks Manager, Icecream Ebook Reader, DigiBookBrowser and Sigil in these key areas—helping you find the best alternative for your needs.
License
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Calibre
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Freeware |
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Alfa Ebooks Manager
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Commercial |
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Icecream Ebook Reader
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Freeware |
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DigiBookBrowser
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Commercial |
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Sigil
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Freeware |