Duolingo

AI language tutor built around speaking out loud, with real-time feedback.

A language-learning app that puts speaking first: lessons are built around saying things out loud, with speech recognition grading your pronunciation and an AI tutor that holds open-ended conversation and adapts the curriculum to your goals. Covers English, Spanish, French, Korean, Japanese, Italian and Chinese, with 15M+ downloads across iOS, Android and the web.

Khan Academy's AI tutor and teaching assistant.

An AI-powered tutor and teaching assistant from Khan Academy that guides learners through math, science, coding, and the humanities. Rather than handing over answers, it uses Socratic prompts to push students toward their own reasoning. For teachers it drafts lesson plans, rubrics, and exit tickets aligned to Khan Academy's content library.

Flashcards and study sets with the Q-Chat AI tutor.

A study platform best known for flashcards and learning games, now layered with AI through Q-Chat, a conversational tutor that uses the Socratic method to help students reason toward answers. Quizlet Plus removes daily learning-round caps and unlocks AI tutoring plus Expert Solutions for explaining tough problems. The free tier remains usable with reduced limits.