Overview
The Duolingo English Test (DET) is an affordable, fast, and trusted way to prove your English proficiency for university admissions. Through Cialfo's partnership with Duolingo, students can now buy the test directly via Comet at a special 15% discounted price.
This guide explains how to purchase, pay, and redeem your DET coupon step by step.
Step 1: Submit Your Interest Form
Visit the Comet x Duolingo English test on Comet.
Click on Get Your Discounted Voucher - US$60 (Save 15%) and you will be redirected to the payment page.
Note: This step has now been automated. Previously, users were required to submit the DET Inquiry Form to express their interest before purchasing the test. This form is no longer required, allowing users to proceed directly to payment.
Step 2: Complete Your Payment
After clicking "Get Your Discounted Voucher – US$60 (Save 15%)", you will be redirected to the payment page.
Enter the required information, review your details, and complete the payment to purchase your discounted Duolingo English Test voucher.
The test is available at a discounted price of $60 USD (retail price $70 USD).
💡 Note: Your payment is securely processed — no extra fees or hidden charges.
Step 3: Accept Your Test Invitation
After payment, you'll receive an invitation email from Duolingo English Test titled: "Your DET voucher is ready- redeem it now"
Open the email and click on the "Accept Offer" button.
Step 4: Redeem Your Duolingo Coupon
Once you click on "Accept offer" it will take you directly to the Duolingo English Test website where you can proceed to register and take your test.
Click "Sign Up" in the top right corner and create your account.
2. Register using your email and password, then click "Continue".
3. Answer a few questions to personalize your experience
4. On your home page, click "Purchase a Test."
5. Select 1 test (if you're using a coupon).
6. Choose your preferred results delivery time (standard or same-day).
7. In the next screen, input your coupon in the text box under "Subtotal", enter your name and surname, then click "Use Coupon".
8. You'll be redirected to your home page — click "Start Test".
9. Download the Duolingo English Test App and log in using your registered email.
10. Open the app, enter your email and password, then click "Continue". You're now ready to take the Duolingo English Test!
New Duolingo English Test Landing Page
A dedicated Duolingo English Test (DET) landing page is now available, allowing students to learn about the exclusive 15% DET discount offered through Cialfo. The page includes all the essential information about the offer, along with a clear and seamless path to begin the voucher purchase process.
This makes it easier for students to access and understand the offer without relying on limited external references.
Counselors can now share the link (https://www.cialfo.co/duolingo-english-test-discount) directly with students to help them take advantage of the discount more efficiently.
If you face any issues or haven't received your coupon within 24 hours of payment, please contact us at Comet.Assistance@cialfo.com.sg