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DETPractice Platform

High score, less time

OETStudy is an AI powered learning tool, while simultaneously providing a learning platform for those preparing for Duolingo English Test. By utilizing the benefits of AI and big data, the practice sessions are both goal-driven and enjoyable, requiring minimal effort.

DET 学习平台

Most functional DET practice platform

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Largest DET question bank
  • 15000+ Questions
  • Answers to all questions
  • Various difficult levels
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Strongest AI scoring system
  • AI scoring for all speaking questions
  • AI scoring for all writing questions
  • Mentor responds to queries about questions
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Study Tools
  • Inquiry-driven community
  • Practice Statistics
  • CEFR checker

AI Scorings

By analyzing 6 scoring factors and their encompassing 23 sub-factors, and utilizing the capabilities of state-of-the-art content-aware NLP algorithms, we can offer precise phonetic-level speaking assessments based on millions of user practice data.

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Speaking Evaluation
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Writing Evaluation
speaking-ai-score feature

Study Tools

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Vocabulary Lists

By intelligently clustering words based on question types and your practice data, vocabulary is no longer an obstacle.

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CEFR Checker

From AI to C2, using CEFR checker to assess language proficiency can effectively improve your vocabulary level.

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Practice Analysis

Recording and analyzing practice data can help you learn more efficiently and effectively.

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Study materials

Study materials provide essential resources and guidance for effective learning and knowledge acquisition.

Study With Test Takers

Study together with other test takers, share learning experiences
OETStudy Community

Why Duolingo English Test

  • Over 4500+ universities/institutions/colleges positively accepted Duolingo English Test as the language proficiency, more schools are joining in the coming future.
  • For Elite Schools, including but not limited to Harvard University, Yale University, MIT, McGill University, University of Southern Queensland, Imperial College London, etc.
  • In comparison with IELTS 6.5, you just only get 125 scores on Duolingo English Test

Start Your DET Practice Today

Join thousands of successful test takers who improved their score with OETStudy

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