DET prep, done right.
Full mock tests and per-task practice for the Duolingo English Test — the official 1-hour, computer-adaptive exam accepted by thousands of institutions worldwide.
Independent study tool. Not affiliated with, endorsed by, or sponsored by Duolingo, Inc.
One hour, start to finish.
A calmer way to prepare for the DET.
Start practicing in 3 steps
What DETprep includes
- Official task timing — Every task enforces its real clock and submits automatically at zero, exactly as the exam does.
- Adaptive difficulty — Questions get harder or easier as you answer, mirroring the computer-adaptive engine.
- 1000+ vocabulary — Everyday, academic, and advanced words with definitions, examples, and audio.
- Speaking practice — Record in-browser with preparation timers and minimum response lengths applied.
- Writing feedback — Detailed feedback on grammar, vocabulary, organization, and clarity after every attempt.
- University finder — Explore target universities and compare the DET scores they look for.
More on the Duolingo English Test