Lithium: EPUB Reader

39.8k reviews
Content rating
PEGI 3
5m+
Downloads
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About this app

Lithium is an EPUB reader.

• Automatic book detection
• Highlighting & notes
• Night & sepia themes
• 100% ad-free*

LITHIUM PRO

Upgrade to Pro to unlock the following features, as well as 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.

PLEASE GIVE FEEDBACK

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.
Read books on your phone or tablet with this EPUB reader.
Updated on
20 Oct 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Files and docs, App activity and Device or other IDs
  • Data is encrypted in transit
  • Data can’t be deleted

Ratings and reviews

36.3k reviews
Horia Mut
15 May 2024
Best epub reader The last android updated effed everything up, as Google (and other) developers nowadays do not know the concept of "stable" API. Uninstalled the app after a storage clear and works just as well as before, just needed to give it full file permission (which I don't like without source code access but oh well). Don't believe the bad reviews.
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Ashrynn D
1 May 2024
It's an awesome app. I've had it for years now and it's always worked well. As of now, the app is unable to open any on my books. I get the file not found message despite the fact that my books are still where they've always been on my phone. So if I want to read now, I need to go to my files and open my book from there. It's very annoying. I checked for updates and there aren't any. Can you please fix it? Thank you.
22 people found this review helpful
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Sammy_ 001
30 August 2026
I've had this app since 2018 and have used it to read ever since then The recent update requests the app to have access to all files, and read, modify and delete any files on your phone without notifying you. The app is good for reading but not worth it in the slightest for the cost of everything on my phone. I'm unsure why the creators wanted access to all files, and why a single file can't be selected instead, but I've downloaded an alternative app and will be uninstalling this shortly.
5 people found this review helpful
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FaultException
31 August 2026
Hi, if you've used it for a while, you likely already gave it a storage permission originally. Android then made it so apps can't use that one anymore, and have to use this new one if you want general access. This one might be more broad though. I may consider allowing a scoped directory on new Android, but I think users like ease of auto detect.

What's new

- Shortcut to open contents drawer always appears as icon instead of hiding in the menu.