It is a very short duration test of just 45-60 minutes whereas IELTS and TOEFL take around 2-3 hours. In the case of IELTS, it is given in the period of 2 days

WHAT IS DUOLINGO ENGLISH TEST?

Duolingo English test is the online computer-based testing system for measuring English proficiency of the non-native English speakers. It is a 60 minutes test where a student can appear anywhere with just having a computer and decent internet connection. It is an adaptive testing system in which the next question will be asked on the basis of performance in previous questions. The difficulty level of every question increases with every correct answer given. It will properly evaluate your proficiency depending on your ability. After completing the scientifically proven Duolingo English test students can get their results in just 48 hours. The plus point is that with the preparations of IELTS and other traditional tests also you can appear for the DET.