AI Quiz App is a full-stack web application designed to deliver interactive quizzes using artificial intelligence. It supports user authentication, score tracking, dynamic question rendering, and role-based access (admin, premium, and basic users). Built using React (frontend) and Node.js/Express (backend), the app includes Razorpay integration for premium feature access and a MongoDB database for storing users and quiz data. This project is ideal for developers seeking a robust quiz solution or as a starting point for an ed-tech platform.