# Readium: Text to Speech PDF — Listen to Books, Web & Docs > Converts text documents, PDFs, and web articles into audiobooks with real-time word highlighting. (iPhone/iPad app by Raquib Ul Alam.) - Source: https://appshunter.io/ios/app/readium-text-to-speech-pdf/id6798495748 (this page in markdown: same URL + `.md`) - Developer: [Raquib Ul Alam](https://appshunter.io/developer/6798495750) - Category: Productivity, Education - Price: Free - Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 12+ - Requires: iOS 16.4 · 103 MB - Languages: American English, French (France), German (Germany), Brazilian Portuguese, European Spanish - Released: 2026-08-29 - Data updated: 2026-09-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/readium-text-to-speech-pdf/id6798495748/reviews.md ## What is Readium? Turn any book, PDF, or web article into a natural-sounding audiobook — and follow every word as it's read aloud. Lifelike voices, online or offline. Read faster, remember more. Readium reads your books, PDFs, articles, and documents out loud with beautiful, human-sounding voices — while highlighting each word in real time so your eyes and ears work together. It's the calm, private way to get through your reading list. WHY READIUM • Listen and follow along — real-time word highlighting keeps you focused and boosts recall • Lifelike AI voices plus built-in device voices that work fully offline • Beautiful, distraction-free reader — 4 themes (Light, Dark, Slate, Sepia) and reading fonts • Background playback with lockscreen media controls showing the book title and author • Adjustable speed, sentence skip, and a sleep-friendly experience • Thousands of classic books from Project Gutenberg — one tap to add to your library • Optimized for iPhone and iPad, including split-view multitasking IMPORT ANYTHING • EPUB, PDF, MOBI, AZW3, and FictionBook (FB2) • Plain text, Markdown, and HTML files • Web articles — browse to any page inside Readium and add it with a tap • Share sheet — send a link from Safari or any other app straight to your library • Rename titles and edit authors to keep your library tidy HOW IT WORKS 1. Import a book, PDF, or paste a web link 2. Pick a voice — a lifelike AI voice or a device voice that works offline 3. Press play and follow the highlighted words VOICES IN YOUR LANGUAGE English, Spanish, French, German, Portuguese, and Bangla — with more on the way. Preview any voice before you pick. GREAT FOR Commuters and multitaskers. Students and researchers. Readers with dyslexia, ADHD, or low vision. Anyone who wants a beautiful, listen-along reading experience. Reading, but faster — and finally enjoyable. Download Readium and start listening. ## Key features - 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 ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/readium-text-to-speech-pdf/id6798495748/reviews.md ### 5/5 — Nice *2026-09-04* Nice ## Frequently asked questions about Readium ### 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. ## Version history (last 3 releases) ### 1.0.19 — 2026-09-02 - 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 ### 1.0.17 — 2026-08-29 - Fix: gutenberg category issues ### 1.0.16 — 2026-08-29 No release notes. --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-10.*