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Transform any text document, PDF, or web article into a natural-sounding audiobook. Follow along with highlighted words in real-time for improved focus and recall. Offers lifelike AI voices and offline playback for a private, distraction-free reading experience.
✓Text-to-speech audiobook conversion
✓Real-time word highlighting
✓Lifelike AI and offline voices
✓Distraction-free reader with themes
✓Background playback with lockscreen controls
✓Supports EPUB, PDF, MOBI, and web articles
✓Adjustable playback speed
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What's New in Readium
1.0.19
September 2, 2026
- New: Turn any article on the web into an audiobook — browse to it inside Readium and add it with a tap - New: Share a link from Safari (or anywhere else) and Readium turns it into a listenable article - New: MOBI, AZW3, and FictionBook (FB2) files now open right up — your Kindle sideloads have a new home - New: Drop in plain text, Markdown, or HTML files and Readium will read them aloud too - New: Bangla joins the language lineup, complete with fresh voices - Improved: A friendlier Import screen that points you straight to the right source
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FAQ
What file formats does Readium support for conversion?
Readium supports a wide range of formats including EPUB, PDF, MOBI, AZW3, FictionBook (FB2), plain text, Markdown, and HTML files. It can also convert web articles directly from a browser.
Can Readium be used offline?
Yes, Readium offers lifelike AI voices and built-in device voices that work fully offline. This allows you to listen to your imported content without an internet connection.
Does Readium have ads?
Readium is completely ad-free, providing a distraction-free reading experience. You can enjoy your content without interruptions from advertisements.
What languages are supported by Readium's voices?
Readium currently supports voices in English, Spanish, French, German, Portuguese, and Bangla, with more languages planned for future updates. You can preview any voice before selecting it.
How does Readium help with reading comprehension?
Readium enhances comprehension by highlighting each word in real-time as it's read aloud. This synchronized audio-visual experience helps users focus and improve recall.
Is Readium available on multiple devices?
Readium is optimized for both iPhone and iPad, supporting features like split-view multitasking. This ensures a consistent and convenient experience across your Apple devices.
What are the customization options for the reading experience in Readium?
Readium offers a distraction-free reader with four themes (Light, Dark, Slate, Sepia) and adjustable reading fonts. You can also control playback speed, skip sentences, and utilize a sleep timer.
How often is Readium updated?
The latest version of Readium is 1.0.19, which was last updated on September 2, 2026. Updates typically include new features, performance improvements, and bug fixes.