DET practice by skill
Work through reading, listening, writing, and speaking question types without losing your place or your history.
Smarter English test preparation
Practise with purpose. Walk into your English test prepared.
Prepingo combines realistic Duolingo English Test practice, AI feedback for writing and speaking, full mock exams, and progress insights in one focused workspace.
- 3 AI assessments included for new free accounts
- Practice across reading, listening, writing, and speaking
- Mock exams available with a subscription or individual purchase
Writing feedbackClear corrections and next steps
Recommended for youBuilt from your real practice history
Realistic tasksPractise the question types you need
Actionable AI feedbackUnderstand what to improve next
Visible progressReview attempts and performance patterns
One preparation workspace
More than a question bank
Every feature is designed to help you practise, understand the result, and make the next attempt better.
AI writing and speaking assessment
Receive structured feedback, corrections, score guidance, and practical suggestions on eligible responses.
Full mock exam experience
Take published mock exams in a timed flow, return to eligible unfinished sessions, and review the final report.
Attempt history that makes sense
Review answers in simple language, compare correct and incorrect responses, and see AI usage attached to the activity.
Recommendations based on evidence
After one completed mock exam or 50 practised questions, Prepingo can use enough history to highlight priorities.
Flexible access
Begin with free practice, subscribe for broader access, or purchase an individual mock exam when available.
How it works
A clear loop from practice to progress
- 1
Choose what to practise
Select an exam, skill, question type, or available mock exam.
- 2
Complete a realistic task
Use the responsive workspace for typed, selected, listened, or recorded answers.
- 3
Learn from the result
Review corrections, feedback, answer details, and your attempt history.
- 4
Follow your priorities
Use your performance data and recommendations to decide what comes next.
Built around your history
Recommendations become useful when there is enough data
Prepingo does not pretend to know your weaknesses on day one. Once you complete a mock exam or practise more than 50 questions, the platform can identify patterns and surface the areas worth your attention.
Build your practice history →PriorityImprove response structureBased on recent writing attempts
NextPractise interactive listeningBuild consistency across skills
Preparation library
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Unlocking the 3-minute video Speaking Sample. Use these 140-level monologue templates to impress university admissions committees....
Read guideYour next attempt can be better
Open Prepingo
Start building a preparation record that helps you improve.
Create an account, try the practice experience, and use your included AI assessments where they matter most.
Prepingo is an independent preparation platform. Duolingo and the Duolingo English Test are trademarks of Duolingo, Inc. Prepingo is not affiliated with or endorsed by Duolingo.