Question: Is there an AI assistant that can help students with their questions and discussions on books and topics, and also provides interactive quizzes and exams?

If you want an AI assistant that can help you with book-related questions and discussions, interactive quizzes and exams, Doctrina is a good option. The service offers a range of tools to promote active learning, personalization and critical thinking. It can help you improve class notes, generate essays and create exams and quizzes tailored to specific books and subjects, and it offers an AI chat assistant for asking questions and discussing subjects. It's a good tool for students.

Another option is Monic.ai, an all-in-one study service that uses AI tools to create study materials tailored to individual students. It offers a variety of interactive learning tools like quizzes, flashcards and summaries, and lets you convert your own study materials into interactive tools. It covers a range of subjects and learning styles, and offers flexible pricing options including a free basic plan, so it can be useful for students, teachers and professionals.

If you want a more integrated learning experience, StudyX might be the best option. The AI learning assistant offers a one-stop-shop approach with homework help, paper research assistance and easy AI writing. It's available as browser extensions for services like Google Docs and Khan Academy, and offers a variety of pricing options. More than 450,000 students at more than 1,200 institutions have signed up for StudyX, so it's a good option for students at many schools.