Master TOEFL Speaking.
Score Higher, Faster.
Award-winning AI platform for TOEFL 2025 and 2026. Practice with Petra, your 24/7 speaking coach, and get instant expert feedback.
See How It Works
Click each step to see it in action
Choose from dozens of questions across all TOEFL formats and track your progress.
Read the prompt and organize your thoughts during timed preparation, just like the real test.
Deliver your response naturally while the timer keeps you on track.
Receive instant scores across all three TOEFL criteria: Delivery, Language Use, and Topic Development.
Get phoneme-level analysis identifying your exact problem sounds with targeted practice recommendations.
Review comprehensive AI feedback on organization, topic development, and argument strength with concrete examples.
These are just highlights. Your complete feedback includes detailed transcript analysis, specific improvement examples, and personalized coaching recommendations.
Advised by TOEFL Experts
Industry leaders guiding PrepEx's development of world-class TOEFL preparation
One Platform, Both Test Formats
TOEFL 2025
CURRENT FORMATTasks Included
- Independent Speaking: "Describe a person/place..."
- Integrated Speaking: Read, listen, then speak.
Our Solution
Practice with real-time voice conversations anytime, anywhere.
Complete practice with read-listen-speak tasks and instant AI scoring.
TOEFL 2026
NEW FORMATNew Tasks Included
- Listen & Repeat: Immediate sentence repetition.
- Interview: Spontaneous Q&A conversation.
Our Solution
Advanced phoneme-level feedback and realistic interview simulations built specifically for the new 2026 format.
Eliminate Accent Issues
Before Test Day
The 2026 "Listen & Repeat" task demands crystal-clear pronunciation. Our AI analyzes every sound you make down to the phoneme level so you know exactly what to fix.
Pinpoint Problem Sounds
Discover exactly which sounds trip you up (like /θ/ vs /s/) and get targeted practice.
Progress from Basic to Advanced
Daily 5-sentence packs that scale with you, from simple greetings to complex academic vocabulary.
Know Your Score Instantly
Receive ETS-calibrated scores (0-5 scale) within seconds. No waiting, no guessing.
Real Students, Real Results
See how PrepEx transformed this student's TOEFL journey
"Petra changed how I practice speaking. Instead of memorizing answers, I'm actually having conversations about topics I care about. My fluency improved so much faster than with traditional methods!"
More Than Just Speaking
PrepEx is your all-in-one TOEFL preparation platform. Master every section with AI-powered tools.
Ready to Transform Your Speaking Score?
Join thousands of students using PrepEx to master TOEFL Speaking. Start practicing today with AI-powered scoring, pronunciation analysis, personalized feedback, and full-length practice tests that simulate the real exam experience.
Start Your Journey
No credit card required
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1 practice session per day
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1 pronunciation pack per day
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AI-powered scoring & feedback
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TOEFL 2025 & 2026 formats
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Full-length practice test simulation
Want unlimited practice? See Pro plans