Quazel is an AI language tutor that helps people learn a language by talking to it. It is available in 21 languages and is available as a web app and a mobile app. Quazel's learning experience is personalized and adaptive, based on the user's skill level and learning style. The user can choose to have conversations on specific topics, or they can have free-flowing conversations. Quazel also offers a variety of tasks and exercises to help users practice their grammar and vocabulary.