How to Use Your Duolingo Coupon Code in 2 Minutes
Follow this quick, step-by-step guide to apply your official 10% off coupon code from DET Study on the Duolingo English Test website.
DET Study’s Official Coupon Code
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Official Discount for Duolingo English Test Takers
DET Study - verified Duolingo partner. Use our official code for 10% off the test and explore research-based tools to improve your performance.
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🧠 The Smartest Way to Take the Duolingo English Test (And Save Time + Money)
Learn how to use an official Duolingo English Test coupon from DET Study — get 24-hour results, save $7, and prepare smarter with expert tools.
I Was One Day Away from Missing My Deadline — Then I Found This
How one student used a 10% DET coupon to meet her deadline and avoid missing out. Real story. Faster results. Less stress.
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The Smart Student’s Guide to Saving on the Duolingo English Test
A strategic breakdown of how students can save money and get faster results on the Duolingo English Test using DET Study's official coupon code.