DET Coach

Ace the DET with AI-powered practice — real question types, instant scoring, and full mock tests for speaking, writing, reading, and listening. Start your prep today!

DET Coach helps you prepare for the Duolingo English Test (DET) with realistic practice, instant AI feedback, and full mock tests — so you walk into exam day confident.

PRACTICE EVERY QUESTION TYPE • Read and Complete • Read and Select • Fill in the Blanks • Highlight the Answer • Listen and Type • Interactive Reading, Listening, Writing, and Speaking • Reading Comprehension

AI FEEDBACK THAT ACTUALLY TEACHES Get instant, detailed evaluation of your speaking and writing — grammar, vocabulary, fluency, and structure — with concrete suggestions on how to improve, not just a score.

FULL MOCK TESTS Simulate the real exam experience from start to finish, then review your results question by question to see exactly where you stand.

MIXED PRACTICE SESSIONS Short on time? Run a mixed session that rotates across all four skills, just like the adaptive format of the real test.

TRACK YOUR PROGRESS Your personal dashboard shows your scores over time, practice streaks, and which skills need the most work. Review your complete practice history anytime.

BUILT FOR ALL FOUR SKILLS Speaking — practice with your microphone and get AI-scored responses Writing — timed prompts with detailed written feedback Reading — passage-based exercises matching the real formats Listening — audio exercises with natural voices you can customize

Whether you're applying to universities abroad, proving your English level for work, or aiming for a higher score, DET Coach gives you the focused practice you need.

Download DET Coach and start your first practice session in minutes.

Subscription: DET Coach offers auto-renewing subscription plans that unlock unlimited practice. Payment is charged to your Apple ID account. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings.

DET Coach is an independent study tool and is not affiliated with, endorsed by, or sponsored by Duolingo, Inc.

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