Honest comparison — including where they win

English Prep AI vs PrepEx: Which TOEFL Prep Fits You?

PrepEx and English Prep AI both prepare students for the TOEFL, but they are built around different ideas of what moves a score. PrepEx leads with structured course content; English Prep AI leads with AI feedback on your own recorded answers. Here is the honest version of that trade-off.

Where PrepEx is strong
  • A deep, well-organized content library — if you want a guided curriculum that explains the TOEFL format end to end, PrepEx covers it thoroughly.
  • Strong brand recognition and media coverage, which matters if you want a widely reviewed, established option.
  • Detailed written guides on the TOEFL 2026 format changes.
Where English Prep AI is strong
  • Word-by-word AI feedback on every speaking answer you record — you see exactly which words cost you points, not just general advice.
  • A listen-and-repeat trainer built for the TOEFL 2026 speaking section, with fresh AI-generated sentence sets every session.
  • Practice in six interface languages, built for international students studying in their own language.
  • A free plan with 100 AI feedback generations a month — enough to practice daily before paying anything.
The bottom line

If you learn best from structured lessons and long-form explanations, PrepEx is a solid choice. If your score is stuck because of speaking delivery — pronunciation, pacing, structure — recorded practice with instant AI feedback is what English Prep AI is built for, and you can test that claim on the free plan.

Common questions

Ready to see the feedback yourself? Start with TOEFL speaking practice or Duolingo English Test prep.