Help Center

Creating your first quiz is easy! Simply upload your study material (PDF, DOC, or TXT), and our AI will automatically generate relevant questions. You can customize the difficulty level, question types, and number of questions before generating your quiz.

We currently support PDF, DOC, DOCX, and TXT files. We're working on adding support for more formats including PPT, EPUB, and direct text input. Files should be under 50MB for optimal processing.

Yes! Dende offers a free tier that includes basic quiz generation, flashcards, and study guides. Premium plans are available for advanced features like unlimited generations, detailed analytics, and priority support.

Our AI achieves 95%+ accuracy in content generation. We use advanced language models trained on educational content to ensure high-quality questions and answers. However, we recommend reviewing generated content before studying.

Absolutely! You can choose from beginner, intermediate, and advanced difficulty levels. Our AI adapts the complexity of questions, vocabulary, and concepts based on your selection.

Our spaced repetition algorithm tracks your performance on each flashcard and adjusts the review schedule accordingly. Cards you struggle with appear more frequently, while mastered cards appear less often, optimizing your learning efficiency.

You can upgrade to premium from your account settings. We offer monthly and annual plans with features like unlimited generations, advanced analytics, and priority support. All plans come with a 14-day free trial.

Yes, you can cancel your subscription at any time from your account settings. You'll continue to have access to premium features until the end of your billing period.