Get 15% off the Duolingo English Test when you book through Arno
Pay just $59 instead of the full $70 when you book through Arno.
How It Works
Get your discount in 3 simple steps
Purchase Your Coupon Code
Click the button above to buy your discounted DET coupon code securely through Arno.
Receive Your Code Instantly
You'll receive a unique discount code via email immediately. If you don't see the email right away, you can always find your code on your dashboard at duolingo.goarno.io
Book & Take Your Test
Go to the official Duolingo English Test website, enter your coupon code at checkout, and take your test at home.
Ready to get started?
Get Your Discount Code NowWhy pay full price when you can save 15% with Arno?
Most students pay $70 for the Duolingo English Test. Thanks to Arno's status as a Platinum Tier member in the GPN, you pay only $59 — that's the biggest discount available.
Plus, you get faster results in 24 hours (instead of 48 hours) and premium support that responds within 48 hours instead of a week.
Biggest discount available (15% off)
Most students pay $70 for the Duolingo English Test. Thanks to Arno's status as a Platinum Tier member in the GPN, you pay only $59.
2x faster results
Get your scores in just 24 hours instead of the standard 48 hours.
Premium support included
Skip the long wait times. Get help from Duolingo within 48 hours instead of a week.
Frequently Asked Questions
Can I trust Arno?
+How does the coupon code work?
+When will I receive my DET coupon code after purchasing it?
+What is your refund policy?
+What happens after I take the test?
+Will I receive the same official certificate that I can share with universities?
+Ready to Save 15% on Your Test?
Join thousands of students who've already saved money and gotten faster results
Purchase Your Discounted Test Now