About
DETPractice is a comprehensive, AI-powered preparation platform built exclusively for the Duolingo English Test (DET). As an official Platinum Partner of Duolingo, the platform provides learners with the most complete and accurate DET preparation experience available online. At its core, DETPractice features a constantly updated library of 18,000+ practice questions across all DET question types, each accompanied by high-scoring model answers and detailed explanations. Learners can take adaptive, full-length mock exams that closely simulate the real DET experience, with AI-generated scores and detailed evaluation reports delivered within 1–5 minutes. The platform's AI correction tools support writing tasks such as 'Write about the Photo,' 'Interactive Writing,' and 'Writing Sample,' providing instant scoring, detailed feedback, and teacher guidance. Similarly, speaking tasks like 'Listen Then Speak,' 'Speak About the Photo,' and 'Speaking Sample' receive AI evaluation and expert guidance. DETPractice also includes structured courses taught by ESL experts to help students master speaking and writing sections in depth. Its built-in AI tutor handles grammar correction, translation, content generation, and DET-specific Q&A — functioning as a personalized study companion. Additional perks include a free 24-hour official DET score (via a sponsor program) and an exclusive 10% discount on the DET test fee for members. Rated 4.8/5 from over 1,850 reviews, DETPractice is ideal for non-native English speakers preparing to meet university or immigration English proficiency requirements.
Key Features
- 18,000+ Question Bank: The largest DET-specific question bank, continuously updated with new questions, model answers, and detailed explanations for every task type.
- Adaptive AI-Scored Mock Exams: Full-length mock tests that simulate the real DET experience with adaptive difficulty, accurate AI scoring, and detailed evaluation reports ready in 1–5 minutes.
- AI Writing & Speaking Correction: Automated AI evaluation with teacher guidance for all DET writing and speaking question types, including instant scores and actionable feedback.
- Built-in AI Tutor: A DET-specific AI assistant that corrects grammar, translates content, answers questions, and helps generate or polish written responses.
- Expert DET Courses: Structured courses taught by ESL experts covering speaking and writing sections in depth, keeping students informed of the latest DET trends and question formats.
Use Cases
- University applicants preparing to meet Duolingo English Test score requirements for admissions to English-speaking institutions.
- Immigration applicants who need to demonstrate English proficiency through the DET for visa or residency applications.
- ESL learners looking to benchmark their English skills and improve specific areas like writing and speaking with structured feedback.
- Test-takers wanting to simulate the real DET experience with adaptive mock exams before their official test date.
- Students seeking personalized AI tutoring for grammar correction, content generation, and DET-specific question practice.
Pros
- Official Platinum Partner: As a Duolingo Platinum Partner, DETPractice offers perks like free 24-hour official DET scoring and an exclusive 10% test fee discount unavailable elsewhere.
- Largest Question Bank: With 18,000+ questions covering all DET sections and updated daily, learners get unmatched variety and exposure to realistic test content.
- Fast, Accurate AI Feedback: AI scoring and correction results are available within 1–5 minutes for mock tests and within 1 minute for writing/speaking tasks, enabling rapid improvement cycles.
- Highly Rated by a Large User Base: Over 400,000 users and a 4.8/5 rating from 1,850+ reviews reflect strong satisfaction and proven test score improvements.
Cons
- DET-Specific Only: The platform is exclusively designed for the Duolingo English Test and is not useful for preparing for IELTS, TOEFL, or other English proficiency exams.
- Full Access Requires Payment: While a free tier is available, access to the full question bank, mock tests, and correction services requires a paid membership plan.
- Web-Only Platform: DETPractice is currently only available via browser and does not offer dedicated iOS or Android apps for on-the-go mobile practice.
Frequently Asked Questions
Is DETPractice free to use?
Yes, DETPractice offers a free tier that lets you get started without a credit card. Full access to the question bank, mock exams, and correction services requires a paid plan.
How is DETPractice different from the official Duolingo practice?
DETPractice is an official Platinum Partner of Duolingo and provides a much larger question bank (18,000+ questions), adaptive mock exams, AI writing/speaking correction, and structured courses — all specifically designed to maximize your DET score.
How does the AI scoring work?
DETPractice uses AI models trained on DET scoring criteria to evaluate speaking and writing responses. Mock test results are available in 1–5 minutes, while individual task corrections are ready within 1 minute, along with detailed feedback reports.
How can I get a free 24-hour official DET score?
To get a free 24-hour DET score, visit DETPractice's invite link, log in or create your Duolingo English Test account, add 'DETPractice' as your sponsor, and receive your results within 24 hours at no cost.
Can I get a discount on the Duolingo English Test fee?
Yes. DETPractice members can contact the team to claim an exclusive coupon that provides a 10% immediate discount on the official DET test fee at checkout.
