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 supported PDF material and RinKuzu extracts concepts, identifies prerequisite context, 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 the full curated Quiz Premium catalog and raises these limits. Free accounts can unlock individual Premium quizzes with credits earned from approved contributions.
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 uses these levels to vary the kinds of practice questions it generates.
How does personalized learning work on RinKuzu?
RinKuzu uses Bayesian Knowledge Tracing (BKT) to represent practice performance and prioritize questions for concepts marked as weak. The AI adjusts question difficulty dynamically.
What is the AI tutor Rin-chan?
Rin-chan is RinKuzu's built-in AI assistant for explanations, follow-up questions, and guidance through practice topics.
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 across Bloom's Taxonomy levels and includes generated explanations for review.
Does RinKuzu work on mobile devices?
Yes. RinKuzu has an installable Progressive Web App manifest and a responsive web experience for desktop, tablet, and mobile browsers.
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?
Use Rin-chan for explanations in the app. Or reach us at support@rinkuzu.app.
Get Started Free