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September 20, 2025
A simple four-category method to quickly generate ideas for TOEFL Speaking Question 1.
Read moreEverything you need to master all four sections of the TOEFL exam
AI-powered essay grading with detailed feedback on organization, development, and language use
Practice NowRecord responses and receive instant feedback on delivery, pronunciation, and content quality
Practice NowAcademic passages with comprehension questions and detailed explanations for every answer
Practice NowAuthentic lectures and conversations with comprehension questions and answer explanations
Practice NowReal-time voice conversations with your AI speaking coach for natural dialogue practice
Meet PetraLearn academic vocabulary with spaced repetition flash cards, definitions, and contextual usage examples
Explore Flash Card PacksEverything you need to know about PrepEx and TOEFL preparation
Petra is your AI speaking coach. She has real-time conversations with you, just like talking to a real TOEFL tutor. She listens, responds naturally, and gives you instant feedback on your speaking.
Our free tier gives you 2 complete practice sessions per day across all four TOEFL sections. That's enough to make real progress without paying anything.
Pro gives you unlimited practice across all sections plus advanced features designed for serious test takers.
We offer three tiers designed for different needs and budgets. All include AI grading on all four TOEFL sections.
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