Cortex

Cortex Learning turns your school textbooks into an interactive study companion. Choose your board, class and academic year once, and your whole library is ready to read, mark up and revise — with an AI tutor that answers questions about the exact page you're on. READ YOUR ACTUAL TEXTBOOKS Real textbook PDFs, page for page — the same book that's on your desk. Cortex Learning supports state and national curriculum boards including Kerala State Board (SCERT), CBSE and ICSE, across school classes and subjects like Maths, Science, Social Science, English and Malayalam. • Download any book for offline reading — no signal needed on the bus or at home • Your reading position, bookmarks and highlights follow your account • A fast, distraction-free reader built for long study sessions HIGHLIGHT LIKE YOU WOULD ON PAPER • Swipe a finger across the text to highlight — it works like a real marker • Character-accurate selection, so the highlight lands on the words you meant • Bookmark any page and jump straight back to it • Highlights and bookmarks sync to your account and work offline AN AI TUTOR THAT KNOWS THE PAGE • Select any passage and ask about it — the tutor answers using your book as context • Clear explanations, summaries and step-by-step reasoning in plain language • Every tutor conversation is saved, so you can pick a topic back up later • Free users get a daily allowance of AI questions NOTES THAT LIVE WITH YOUR BOOKS • A proper rich-text editor — headings, lists, formatting • Notes anchored to the topic you were reading, not scattered in another app • Offline-first: write now, sync when you're back online EXAM REVISION Bookmarks, highlights and notes come together into a revision pass you can do the night before a test, without hunting through the whole book. FREE AND PREMIUM Cortex Learning is free to use: read your books, bookmark, highlight, take notes, and ask the AI tutor a set number of questions each day. Cortex Student (₹99/month, ₹799/year) adds unlimited notes per class, multi-device cloud sync, and 50 AI doubts per day. Cortex AI Pro (₹199/month, ₹1499/year) adds 250 AI doubts per day plus the full AI study toolkit — AI Summaries, Chapter Explanations, Question Generator and Exam Prep tools. Subscriptions renew automatically until cancelled. Manage or cancel any time in the Google Play Store app under Payments & subscriptions. Privacy Policy: https://cortexvidya.com/privacy Support: https://cortexvidya.com/support or [email protected]