OneBook: Language Learning

OneBook is a multilingual learning hub for shadowing audiobooks, podcasts, and videos—with AI context lookup while you read and listen.

Core Features
【Audiobook Deep Learning】
【Exclusive Subtitle Generation】: First to support auto-generating synchronized subtitles for m4b/Audible audiobooks. Millions of Audible titles become readable and learnable.
【Real-Person Narration for eBooks】: Supports epub3 books narrated by real people (not synthetic TTS), enabling synchronized listening and reading.
【Interactive PDF Audio Books】: Tap on text within PDF picture books to play the corresponding audio, creating an interactive read-along experience.

【Intelligent Reading & Lookup】
【Efficient Word & Sentence Lookup】: Tap to look up a word, long-press to look up a sentence. Incorporates a feature similar to Kindle's Word Wise, significantly reducing lookup effort.
【AI Instant Tutor】: Select any text for instant AI explanations on grammar, context, sentence structure, and more—like having a personal teacher on hand.
【Vocabulary Level Highlighting】: Words are automatically color-coded based on difficulty, making key terms stand out at a glance.

【Multi-Mode Immersive Experience】
【Multiple Reading Modes】: Includes ADHD Bionic Reading, Cinematically-Scrolling, Immersive Focus Mode, Background Music Reading, Shadowing Practice, and more to suit different scenarios.
【Whisper-Style Audiobook】: Supports offline listening with optional ambient white noise, crafting a comfortable and focused listening experience.

【All-Platform Resource Integration】
Learn directly from videos and audio on platforms like YouTube, Bilibili, and Apple Podcasts.
Supports OPDS catalogs for easy subscription to news, foreign periodicals, and magazines.
Import personal resources via WebDAV or cloud storage, with real-time synchronization across multiple devices.

【Multilingual & Customizable】
Supports learning for 60+ global languages, including German, French, Italian, Spanish, and other less-commonly-taught languages.
Compatible with importing any MDX dictionary file, allowing you to use your preferred word references.
Supports custom AI models to tailor the Q&A experience to your needs.
Learning Management & Statistics
Pre-study new words before reading, with automatic tracking during your session.
Detailed reading statistics and insights to help you track progress and outcomes.
Why Choose Us?
All in One: A single app integrates audiobooks, reading, video learning, vocabulary management, AI Q&A, and resource syncing.
Constantly Evolving: Continuously updated with new features and improvements, with more exciting additions on the way.
Welcome to Download and Experience

Begin your efficient, immersive, and personalized language learning and reading journey today.

Privacy Policy: https://www.onebook2025.top/privacy/
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/