Wordshelf vs Thorium Reader

Learn smarter while you read. Wordshelf makes it effortless to capture, understand, and remember every new word you come across — whether you're reading a book, studying, or exploring ideas. HOW IT WORKS Scan any page with your camera to instantly identify and look up words, or type them in. Get definitions, pronunciation, examples, synonyms, and etymology. Each word gets a personalized mnemonic and AI-generated memory image to make it stick. Every word is saved and organized by the book you're reading. BUILT FOR READERS Unlike generic dictionary apps, Wordshelf is designed around how you actually read. Set your current book, and every word you look up is automatically linked to it. When you finish, you'll have a beautiful collection of everything you learned. REMEMBER MORE WITH AI Each word gets a custom mnemonic using the keyword method — linking the word's sound to a vivid mental image. Plus an AI-generated illustration to reinforce it. No more forgetting words you've looked up before. TRACK YOUR PROGRESS Watch your vocabulary grow with a visual activity grid. See your streaks, total words learned, word difficulty stats, and books completed at a glance. 20+ LANGUAGES Supports English, Spanish, French, German, Japanese, Korean, Chinese, Arabic, Hindi, Portuguese, and more. Start building your vocabulary today. Every book you read becomes an opportunity to learn.

Looking for an app where you can bring all your ebooks, comics and manga in one place? That’s what we built Thorium Reader for. Read it your way Everyone’s different, that’s why we want you to be fully in control: • Adjust text size, switch between color schemes with themes and control spacing. • 10+ fonts available, including specialized ones. • You prefer audio? Listen to any ebook, whenever you want. We’ll remember your preference. • Zoom into comics, manga and magazines. • Add bookmarks with notes. • Use the built-in iOS dictionary and translation features, even offline. • Tweak your reading experience with reading options. Bring your own books A single bookshelf and reading application where you can bring all your content: • Download free books, borrow from your library or buy from your favorite retailer. • Support for ebooks, documents, comics and manga. • Import EPUB, PDF and CBZ files. • Support for Readium LCP, used by thousands of libraries and retailers. Thorium Reader is built by EDRLab, a non-profit dedicated to open standards, reading and accessibility.