How To Book the Duolingo English Test (2025)
Below is a step-by-step guide for the Duolingo English Test (DET) registration. Unlike other English proficiency tests, the DET can be taken anytime and anywhere.

Table of Contents:
- How to Book the Duolingo English Test
- Duolingo English Test Slot Booking
- DET Booking Fee
- Requirements for Taking the Test at Home
How to Book the Duolingo English Test
One of the biggest advantages of the Duolingo English Test in comparison with other English proficiency tests, such as the IELTS or TOEFL, is that the DET does not have a set date and time. You can decide when and where you want to take it.
You can book your through Duolingo by going to https://englishtest.duolingo.com However, if you book through Arno, you will save 15% off the booking fee! You will also get your results in just 24 hours. We are able to offer this discount because we are an official partner of Duolingo through their Global Partner Network (GPN). You can book through Arno by going to: https://goarno.io/coupon-code-duolingo-english-test-booking

Duolingo English Test Slot Booking
Once you purchase a test, you have 21 days to take it. You don't have to reserve a time beforehand. You can start the test whenever you like. If you book your test through Duolingo and you don’t take the test within 21 days, then the test will automatically be canceled with no refund. However, if you book through Arno, we will give you a refund if your test expires 😁
You should know that you cannot purchase the DET more than 3 times in 30 days.
Duolingo English Test Booking Fee
The Duolingo English Test costs $70 USD, or $118 USD for a two-test package, which allows you to take two tests and send your best result. Both options are much cheaper than the TOEFL or IELTS, which are upwards of $150 each. You can pay via credit card or PayPal.
But if you book through Arno, it's just $59, a 15% discount!
Requirements for Taking the Test at Home
Before taking the exam at home, you will want to make sure that you meet all the test requirements like a valid government-issued ID, a computer or laptop with stable Internet connection, a front-facing camera, a microphone, speakers, and a quiet well-lit room.
When you're ready to book and schedule your exam, Arno’s practice questions will make sure you’re prepared for your test day! You’ll be able to practice all test question types with instant scoring and feedback.
Just click below to start practicing with Arno!
