The app's default dictionary is proprietary, although you can swap it out for an open one.

While it's usable out of the box, you really need to do a bit of configuration to make Cool Reader comfortable to use.

Cool Reader doesn't have the cleanest or most modern interface.

You can also access books on Project Gutenberg and the Internet Archive.

It automatically scans your device for new books when you start it up.

I found this useful with two or three books that set all text in small capital letters.

You can override the stylesheet in a book.

You can change fonts, line and paragraph spacing, hyphenation, font sizes, margins, and background colors. While I think the app's icons are reminiscent of those found in Windows Vista, Cool Reader does have several useful features. Cool ReaderĬool Reader is a zippy and easy-to-use eBook app. mobi, PDF, DjVu, HTML, plain text, Word documents, RTF, and FictionBook.īook Reader's source code is licensed under the GNU General Public License version 3.0, and you can find it on GitLab.

There's no built-in dictionary or support for an external dictionary.īook Reader supports EPUB.

Book Reader has a limited number of configuration options.

There's growing support for languages other than English.

You can add bookmarks to an eBook and share text with other apps on your device.

The app's interface follows Android's Material Design guidelines, so it's very clean.

Like earlier versions of its progenitor, Book Reader is simple and minimal, but it does a great job. It's based on the older, open source version of the now-proprietary FBReader app. Let's start off with my favorite open source Android eBook reader: Book Reader. So let's take a look at four solid, open source eBook readers for Android. To do that, all you need is the right eBook reader app. Who doesn't like a good read? Instead of frittering away your time on social media or a messaging app, you can enjoy a book, magazine, or another document on your Android-powered phone or tablet.

Librera reader