| Free access | Free to use with no paywall. Generate up to 30 flashcards per topic; this is a per-topic card count, not a promise of unlimited usage. | Unlimited notes, flashcards, and synced devices. The free plan also has specific allowances for annotated PDFs, image occlusion, and AI credits.[1] |
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| AI generation | Create from prompts, PDFs, notes, books, images, or audio. Choose the web or your saved Library as the source. | AI cards and quizzes, tutor chat, image-to-text conversion, and audio transcription are available within plan-specific credit allowances.[1] |
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| PDFs & visual study | Save a PDF or book scan and generate questions from selected material. Keep highlights and notes in your Library. | PDF annotation and image occlusion are explicit study tools. Free allowances are smaller; Pro plans expand access.[1] |
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| Organize knowledge | Folders, editable folder descriptions, tags, highlights, favorites, and types for PDFs, notes, images, links, and audio. | A note-taking and flashcard workspace with features such as tables, templates, aliases, and knowledge bases; allowances vary by plan.[1] |
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| Review & goals | Remember Mode revisits selected material, missed cards, and weak concepts. Explore Mode follows connected topics. | Study flashcards and use exam-planning tools. The pricing page distinguishes free exam-scheduler allowances from Pro access.[1] |
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| Audio | Record or upload audio, save its transcript, chat with it, and generate a quiz. | Lecture recording and AI audio transcription are part of its documented learning tools; AI use draws on the relevant allowance.[1] |
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