Lithium: EPUB Reader

33.7K reviews
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About this app

Lithium is an EPUB reader.

• Automatic book detection
• Highlighting & notes
• Night & sepia themes
• Switch between pages and scrolling
• Built with Material Design
• 100% ad-free*


Upgrade to Pro to unlock the following features, as well as all all future Pro features:
• Sync reading position, highlights, notes, bookmarks and more across your devices with Google Drive. (Books themselves are not currently synced.)
• Custom reading themes (custom colors)
• More highlight colors.

NOTE: Lithium Pro works as a license to unlock the Pro features in this app. As long as Pro is installed alongside Lithium you can use the Pro features. It is not a separate standalone app.


Use the "Send feedback" button (in the drawer or menu depending on where you're at in the app). Please let us know about any bugs or crashes you encounter.

* Ads meaning third-party advertisements. There may be occasional offers to upgrade to the premium version of the app.
Updated on
Oct 17, 2020

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33.7K reviews
Chris Smith
August 22, 2022
I mostly enjoy this app, but my issue is with the highlighting function. Recently I've had a problem where any attempt to highlight a section of text will highlight the entire page as soon as I move either of the end points, and it will move the reading position in between two pages so you can't adjust it without it deselecting. I really like to highlight important passages or words when I read, but unfortunately this has stopped functioning properly.
87 people found this review helpful
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Janosch Bear
October 4, 2022
I'm trying to find an easy, epub-only reader for my older mother. Lithium seemed perfect, worked without too many settings, didn't show various PDFs that get downloaded while surfing the web (flyers, menus, maps, etc.). It was all fine, until I turned the tablet sideways and discovered that Lithium doesn't switch to 2 pages in landscape mode. If this is a hidden setting, I'd love to be corrected!
5 people found this review helpful
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December 21, 2022
Lithium hasnt been updated in over two years so I dont expect anything to change. It's a great reader with most of the features you could need. Text highlighting, however, is totally broken. If note taking and highlighting a book is important to you, you will want to find a different app.
5 people found this review helpful
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What's new

• Improved support for current table-of-contents title detection when in scrolling mode.
• You can now see when other Sync devices last updated on Drive in Sync settings.
• Various other changes.