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Free AI study buddy for Udemy & YouTube. No API key, no account: quizzes and notes run on your device. Tracks what you learn. You watched 40 hours. You remember 10%. Ravenote fixes that. Ravenote is an AI study buddy that lives in your Udemy and YouTube tabs. As you watch, it captures the transcript silently in the background, generates structured notes, and quizzes you on what you just learned so the lesson actually sticks instead of evaporating the moment you close the tab.
rating_count is the Chrome Web Store ratings count, not a written-review count.