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Athene Reader

Athene Reader

EPUB, PDF & Calibre Library

11 ratings
7 reviews
📊 Productivity
📚 Books
Free

Details

Released
September 22, 2026
Updated
October 24, 2026

Features

Developer

Aditya Sreedhar
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About

Organize and read your digital books from various sources. Customize your reading experience with adjustable fonts, colors, and layouts. Listen to your books, take notes, and even ask questions about the content with an AI assistant.

✓Import books from various sources
✓Customizable reading interface
✓Text-to-speech functionality
✓Note-taking and highlighting
✓AI-powered content questions
✓Offline dictionary
✓iCloud Sync
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What's New in Athene Reader

3.3.2

October 24, 2026

- Fixed a bug where opening Aa could move you to a different page. Books use the whole screen again, with no gap at the bottom - Pages documents bring in pictures they used to drop: pictures grouped with a caption, text boxes, and TIFF, HEIC and PDF images. A big picture in the middle of a paragraph no longer breaks up the page

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User reviews

Most RecentHighest RatedLowest Rated

Love the app! Just one request

This app is amazing I highly recommend it! The only thing missing is I wish under fonts it had the option to use the original font in the epub like the kindle and Apple Books app have
SSliprysausage

Replaced my other readers

I want to start off by saying I’d happily pay for Athene if it weren’t free. Atleast add a tip jar! And the simple interface along with its listening feature is what sold me. Still, there are some things I’d like improved. I’d like a way to know which book I’m currently reading. Maybe an indicator of some sort. Thanks for your work on this.
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MMomji_iphone

Fantastic reader which happens to also support Calibre

This is a straight to the point reader with a beautiful UI. This is the first app I’d recommend for an e-reader - and it happens to be ALL FREE!!
BBaahubali2

My favorite e-reader!

Love the bookshelf concept and its connection to calibre. I finally have all the train operation manual PDF’s from my calibre server right on my phone. Thank you for making this app!!
CCrazytrainkid

Simple, Functional, Beautiful, Private

I have caliber-web set up on my Synology NAS and this is now my favorite way of accessing it. The app is incredibly useful. I especially like the way that AI is integrated with privacy in mind. Thank you for making this app. I would pay for it if weren’t free.
CChucho4242

Response from developer

Thank you for the kind review! Made my day!

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FAQ

What file formats does Athene Reader support?

Athene Reader supports EPUB and PDF directly. It can also convert MOBI, AZW3, Word, FB2, TXT, and HTML files into readable book formats upon import.

Can I listen to my books with Athene Reader?

Yes, Athene Reader offers a text-to-speech feature that reads any book aloud in a natural voice. This feature runs entirely on your device and continues with the screen locked.

How does the AI assistant in Athene Reader work?

The AI assistant, called the Owl, can answer questions about the content of the page you are reading. It draws information from the current chapter. On devices with Apple Intelligence, it runs on-device. Alternatively, it can connect to your own Ollama server or use keys from Claude, OpenRouter, or OpenAI.

Is Athene Reader available on Android devices?

Athene Reader is currently only available on iOS devices, specifically iPhone and iPad, and requires iOS 26 or later.

Does Athene Reader have ads?

No, Athene Reader is completely free and does not contain advertisements. It also has no in-app purchases or subscriptions.

How often is Athene Reader updated?

The latest version, 3.1.0, was released on October 3, 2026, indicating a recent update. The app was initially released on September 22, 2026.

What are the privacy features of Athene Reader?

Athene Reader is designed with privacy as a core principle. It has no account, no analytics, and no servers of its own. Your books, notes, and questions remain on your device or are sent only to destinations you explicitly choose.

Can I sync my reading progress across devices with Athene Reader?

Yes, you can enable iCloud Sync to synchronize your reading progress, highlights, notes, drawings, collections, and reading settings between your iPhone and iPad. This data is stored privately in your iCloud and encrypted on your device.