Frequently Asked Questions
Everything you need to know about RinKuzu — AI-powered adaptive learning from PDFs.
Whether you're a student preparing for exams, a teacher building assessments, or a professional upskilling, RinKuzu is designed to make learning faster, smarter, and more personal. This FAQ covers everything from how our AI generates quizzes from PDFs to how we protect your data and support educators in the classroom.
If you can't find what you're looking for, email support@rinkuzu.app and our team will respond within 24-48 hours.
Getting Started
What is RinKuzu?
RinKuzu is an AI-powered personalized learning platform that transforms PDF documents into personalized quiz-based learning journeys using knowledge graphs and Bloom's Taxonomy.
How do I generate a quiz from a PDF?
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.
Is RinKuzu free to use?
Yes. Free includes 5 PDF-to-quiz generations per month (up to 30 pages per file), 2 adaptive learning paths per month, 50 adaptive exercises per day, and 25 Ask Rin-chan messages per day. Premium unlocks private quizzes and raises these limits.
Which languages does RinKuzu support?
RinKuzu supports Vietnamese and English with a full bilingual interface. Switch languages anytime using the language switcher in the navigation.
AI & Adaptive Learning
What is a knowledge graph in learning?
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.
What is Bloom's Taxonomy and how does RinKuzu use it?
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.
How does personalized learning work on RinKuzu?
RinKuzu tracks your performance using Bayesian Knowledge Tracing (BKT), prioritizing questions on your weakest concepts. The AI adjusts difficulty dynamically for maximum efficiency.
What is the AI tutor Rin-chan?
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.
Platform & Technical
Can I share my quizzes with others?
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.
What types of questions does RinKuzu generate?
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.
Does RinKuzu work on mobile devices?
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.
What file formats are supported?
Currently PDF documents are supported. Support for Word docs, PowerPoint slides, and plain text is on our roadmap.
Privacy & Educators
How is my data and privacy protected?
Uploaded PDFs are processed to generate your learning content. A quiz is shared publicly only when you choose to publish it publicly. See our Privacy Policy for details about data processing and storage.
How do I track my learning progress?
The Dashboard shows your mastery level per concept, accuracy trends, weak topics, and completion rates. Bookmark quizzes for later and review your history anytime.
Can teachers use RinKuzu for classroom assessment?
Yes. Teachers can turn lecture PDFs into quizzes and share public quizzes with students. Classroom management and class-wide analytics are not currently available.
Still have questions?
Our AI tutor Rin-chan is available 24/7. Or reach us at support@rinkuzu.app.
Get Started Free