Frequently Asked Questions

Upload any PDF document — lecture notes, textbooks, or internal docs — and RinKuzu's AI automatically extracts key concepts, identifies prerequisites, and generates quizzes with explanations.

Yes. RinKuzu's free plan includes unlimited PDF-to-quiz generation, adaptive practice, mastery tracking, and community quiz browsing. A Premium plan offers advanced features and priority support.

RinKuzu supports Vietnamese and English with a full bilingual interface. Switch languages anytime using the language switcher in the navigation.

A knowledge graph maps relationships between concepts in your material. RinKuzu builds a visual graph showing prerequisite chains so you can see the learning path from fundamentals to advanced topics.

Bloom's Taxonomy classifies cognitive levels from Remember to Create. RinKuzu generates questions at each level — from basic recall to higher-order reasoning — ensuring deep mastery of every concept.

RinKuzu tracks your performance using Bayesian Knowledge Tracing (BKT), prioritizing questions on your weakest concepts. The AI adjusts difficulty dynamically for maximum efficiency.

Yes! Set your quizzes to public to share with friends, classmates, or the RinKuzu community. Browse the Explore page for quizzes created by other users.

RinKuzu generates multiple-choice questions at all six Bloom's Taxonomy levels, each with a source-referenced explanation so you understand not just the answer but why it's correct.

Yes. RinKuzu is a Progressive Web App (PWA) that works on desktop, tablet, and mobile browsers. Install it for an app-like experience with offline access.

Currently PDF documents are supported. Support for Word docs, PowerPoint slides, and plain text is on our roadmap.

Uploaded PDFs are processed securely and kept private by default. We never use your content to train AI models. See our Privacy Policy for full details.

Rin-chan is RinKuzu's built-in AI tutor. It explains any concept from your PDF in plain language, answers follow-up questions, and guides you through difficult topics — available 24/7.

The Dashboard shows your mastery level per concept, accuracy trends, weak topics, and completion rates. Bookmark quizzes for later and review your history anytime.

Absolutely. Teachers can upload lecture PDFs to generate student quizzes, track class-wide performance, and identify concepts that need re-teaching — ideal for formative assessment.