Buy the Duolingo English Test — Certify Your English Online
Sit the official Duolingo English Test (DET) online — no appointment, no test centre, results in 48 hours. Use referral coupon C4CZTOPZ at checkout to unlock the lowest DET price through EERIV Europe. The DET is a fast, accurate, AI-proctored English proficiency test accepted by 5,500+ universities and colleges worldwide, at a fraction of the cost of IELTS or TOEFL.
Test online, no appointment needed
Get results in 2 days
A fraction of the cost of other tests
Referral code : C4CZTOPZ
Accepted by 5,500+ institutions worldwide
DET scores are recognised by more than 5,500 universities, colleges and study programmes globally — including top European institutions across Lithuania, Germany, Netherlands, Spain, France and the UK. Use your Duolingo English Test certificate to apply for undergraduate, postgraduate and language programmes without needing IELTS or TOEFL.
Why choose the Duolingo English Test
The DET is a modern, AI-powered English proficiency test you can take in under 60 minutes. It uses adaptive question technology to deliver accurate, certified results within 48 hours — and you can send your score to unlimited universities for free. Quick to set up, fully online, and a fraction of the price of IELTS or TOEFL.
Quick setup
Adaptive test
Writing and speaking sample
Duolingo English Test – Frequently Asked Questions
How much does the Duolingo English Test cost?
The standard fee for the Duolingo English Test is around USD $65, far less than IELTS or TOEFL. EERIV Europe customers can use coupon code C4CZTOPZ at checkout to access the lowest available DET price and send scores to unlimited universities at no extra cost.
Is the Duolingo English Test accepted in Europe?
Yes. The DET is recognised by more than 5,500 universities, colleges and language programmes worldwide — including top institutions across Lithuania, Germany, the Netherlands, Spain, France, Italy and the UK. Always confirm your specific programme’s score requirement before applying.
How is the Duolingo English Test scored compared to IELTS and TOEFL?
The DET uses a 10–160 scoring scale. As a rough guide: a DET score of 120 is broadly equivalent to IELTS 7.0 or TOEFL iBT 95, while a DET score of 105 maps to roughly IELTS 6.5 / TOEFL iBT 80. You’ll also receive a CEFR level on your score report (A1 through C2).
How long is my Duolingo English Test certificate valid?
Your DET certificate is valid for two years from the test date, in line with IELTS and TOEFL validity. You can share your certified results with as many institutions as you like at no additional cost during that window.
Can I retake the Duolingo English Test, and how soon?
Yes. You may take the certified DET up to three times in any 30-day period. Most students retake after a short focused preparation cycle to push their score into a higher band before applying.
How do I use my EERIV coupon code for the Duolingo English Test?
Click the Get My Coupon Code button on this page, then enter the referral code C4CZTOPZ when you purchase your test on the official Duolingo English Test site. The discount is applied automatically at checkout — if you need help, contact our team via the form below.
