QuizHub is highly praised for its user-friendly interface and seamless integration of ChatGPT for generating quiz questions, making quiz creation faster and more efficient. Users appreciate its real-time interaction features, including scheduled quizzes and live leaderboards, which enhance engagement during events like conferences and community meetups. The platform's versatility, with a wide selection of quiz categories, allows users to explore diverse topics, adding to its appeal. Overall, QuizHub is recommended for its ease of use and effective organization in hosting quiz competitions.