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DETPractice
Ace the Duolingo English Test with the largest question bank, adaptive mock exams, and AI-powered speaking and writing correction. Get accurate scoring and feedback in minutes.
About DETPractice
What the tool does and who it's for
DETPractice is an AI-powered preparation platform specifically designed for the Duolingo English Test (DET). As a Platinum Partner of the Duolingo English Test, it offers the largest available question bank with over 18,000 practice items. The platform features high-fidelity, adaptive mock exams that simulate the real test environment, providing accurate score estimates within 1-5 minutes. Its core strength lies in its AI Correction Service, which evaluates speaking and writing responses based on official DET criteria like fluency, pronunciation, grammatical complexity, and vocabulary diversity. Users also benefit from personalized study plans, daily updates to practice materials, and specialized guides for every question type, including the latest 'Interactive Writing' and 'Speaking Sample' tasks.
Key capabilities
Pricing
Freemium — plans below
Free / Basic
$0
- 300 Practice questions
- Limited AI-powered speaking evaluations
- Standard AI Tutor access (50 daily)
- Sample answers for select questions
Basic (Monthly)
$7.90
- 10 AI Corrections per month
- 1 Full-Length Mock Test per month
- Access to 18,000+ questions
- Smart Study Plan
- High-frequency test vocabulary
Plus (Monthly)
$15.90
- 60 AI Corrections per month
- 3 Full-Length Mock Tests per month
- Detailed evaluation reports
- Full access to DET Mastery courses
- Priority support
Pro (Monthly)
$29.90
- Unlimited AI Corrections
- 10 Full-Length Mock Tests per month
- Unlimited AI Tutor access
- Daily updated question bank
- Personalized teacher guidance
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