# Best Ebook Reader Apps for Windows in 2026

Source: https://listme.name/best/ebook-reader-apps/windows

Ebook reader apps differ on which store their books come from, which file formats they open and whether the code is open. This ranking weighs reading and format support first, then sync and device reach, then openness and price.

## 1. Kindle (score 90.0)

Free apps on iOS, Android, Mac and PC that read the Kindle Store library. Books are bought from Amazon, and the apps are closed source, so the choice suits Amazon customers.

- Best for: Reading books bought from Amazon
- Free | iOS, iPadOS, Android, macOS, Windows
- Website: https://www.amazon.com/kindle-dbs/fd/kcp
- Page: https://listme.name/software/kindle

## 2. Readest (score 86.5)

Open-source EPUB and PDF reader with apps on macOS, Windows, Linux, Android, iOS and the web, plus highlights, notes and text-to-speech. Kindle and Apple Books have longer track records.

- Best for: Open-source reading across phones and desktops
- Free and open source | macOS, Windows, Linux, Android, iOS, Web | open source (AGPL-3.0)
- Website: https://readest.com/
- Page: https://listme.name/software/readest

## 3. calibre (score 83.0)

Free and open source library manager that converts books between formats on Windows, macOS and Linux. It is a desktop tool with no phone reading app, so it complements a reader rather than replacing one.

- Best for: Managing and converting a large personal library
- Free and open source | Windows, macOS, Linux | open source (GPL-3.0)
- Website: https://calibre-ebook.com/
- Page: https://listme.name/software/calibre

## 4. Thorium Reader (score 80.0)

Free, open-source desktop reader for Windows, macOS and Linux under BSD-3-Clause. It has no phone app, so it suits readers who only read on a computer.

- Best for: Desktop reading of open-format books
- Free and open source | Windows, macOS, Linux | open source (BSD-3-Clause)
- Website: https://github.com/edrlab/thorium-reader
- Page: https://listme.name/software/thorium-reader

## 5. FBReader (score 78.5)

A free reader for EPUB, FB2 and Readium LCP-protected books on six platforms, including Linux and Chrome OS. It has been closed source since 2015, unlike Readest and KOReader in this list.

- Best for: EPUB and DRM-protected books on many systems
- Free | iOS, Android, Windows, macOS, Linux, ChromeOS
- Website: https://fbreader.org/
- Page: https://listme.name/software/fbreader