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LearnBook turns books, PDFs, web pages, videos, notes, and course materials into an interactive learning system for understanding, practice, review, and sharing.
Most knowledge work still breaks apart across readers, note apps, flashcards, search tools, and course builders. Learners spend too much time moving information around and too little time using it.
LearnBook connects those steps into one loop: import material, read with context, extract notes, generate quizzes and flashcards, review with spaced repetition, and track mastery over time.
Our product decisions are judged by whether they help learners understand, remember, practice, and share what they study.
A connected learning loop for reading, knowledge management, practice, and collaboration.
Read books, PDFs, web pages, and transcripts with contextual Q&A, explanations, translation, grounded summaries, and note extraction.
Organize highlights, notes, tags, semantic search, bidirectional links, concept graphs, and learning progress in one place.
Generate flashcards, quizzes, weak-point analysis, and FSRS-based review plans that keep knowledge active over time.
Turn topics and materials into outlines, lesson notes, exercises, interactive learning flows, and AI teaching assistant support.
Share annotations, join reading groups, run quiz challenges, compare mastery, and exchange knowledge with teams or friends.
The product standard behind every feature we ship.
Every workflow should reduce cognitive load and help learners make measurable progress.
AI features must explain, connect, challenge, and reinforce knowledge instead of producing shallow artifacts.
Progress should be visible through reviews, quizzes, streaks, mastery trends, and practical recall.
Import your study materials, read with AI support, turn notes into practice, and keep knowledge fresh with spaced review.