Passage vs DuoBook.co

Learn a language by reading real books, not random sentences. Passage is a language learning reader built for people who want vocabulary, grammar, and comprehension to grow through stories they actually enjoy. Choose a book in English, Spanish, French, Turkish, Dutch, or Italian. Read at your pace, tap any sentence for a clear grammar explanation in your language, save unfamiliar words, and review them with practice built from the exact context where you found them. Why learners choose Passage: • Read real books instead of disconnected drills • Tap sentences for instant grammar help • Save words with their original story context • Build vocabulary with flashcards and spaced review • Practice with context recall, listening, and match games • Find books by language, genre, and reading level Passage is ideal for intermediate learners, book lovers, students, travelers, and anyone who wants language practice that feels natural instead of repetitive. Start your first book today. Learn one chapter, one sentence, and one word at a time. Licensed Application End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

DuoBook turns any topic, article, or idea into an interactive bilingual story — so you can read real content in your target language with your native language alongside it. Read news, stories, and content from across the internet in two languages at once. Tap any word for instant translation and vocabulary tracking. Build your reading streak with daily challenges. Free includes: - 1–2 stories per day - Short, medium, and long stories - 5 instant translations per day - Vocabulary tracking - DuoSolve daily word puzzle DuoBook Pro includes: - Unlimited stories - XL-length stories - Unlimited instant translations - PDF export for Kindle - Advanced AI model - Natural human-like voices in 30+ languages - 2 streak freeze per month Subscription automatically renews monthly unless canceled at least 24 hours before the end of the current billing period. Manage and cancel subscriptions anytime in your Apple Account Settings. Privacy Policy: https://duobook.co/privacy Terms of Use: https://duobook.co/terms