Studyable is a website that offers flashcards and lessons on any subject, providing users with an AI tutor to converse with and learn from. Quizzing is also available for testing knowledge and retention, while in-depth explanations are provided for both simple and complex concepts. Users can even receive feedback and have essays graded by the AI tutor. Studyable can be used for various educational activities such as learning new topics, testing knowledge, and submitting essays for grading and feedback. With its user-friendly interface and diverse features, Studyable is a reliable solution for anyone looking to enhance their understanding of different subjects.