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| Save 15% on Duolingo English Test and get an extra 10% discount on Arno preparation |
✅ How to Save 15% on Your Duolingo English Test — And Why You Absolutely Should
By Sam | DET Instructor
This post contains affiliate links for Arno and DET Practice. If you purchase through these links, I may earn a small commission — at absolutely no extra cost to you. Everything I recommend here comes from real classroom experience, not sponsorship pressure.
● Arno vs. DET Practice: Which platform fits your study style?
● Exclusive Savings: How to unlock an extra 10% off your initial Arno purchase.
✅ Let's be honest for a second.
You've already spent months studying. You've sacrificed evenings, weekends, maybe even sleep. And now you're about to hand over full price for an exam — when you didn't have to.
I see this every single day as a DET instructor, and every time, it genuinely bothers me.
So before you register, read this. It takes five minutes. It could save you 15%.
πΈ Here's What the Discount System Actually Looks Like
The DET has official partner platforms. These partners are authorized to offer exam
vouchers at reduced rates — sometimes significantly reduced.
Here's the side-by-side comparison:
| Feature | Arno | DETPractice |
| Official DET Discount | 15% Off | 10% Off |
| 24-Hour Fast Results | Included (Free Upgrade) | Included (Free Upgrade) |
| Account Setup Required | Yes | Yes |
| Payment Process | Paid directly on Arno | Coupon applied later on official DET site |
πͺ Two Steps. That's It.
STEP 1 — Create your free account
- π Sign up for Arno
- π Sign up for DETPractice
- ⚠️ Arno users — this matters: Register with the exact same email you use (or will use) for your official Duolingo account. Duolingo flags duplicate profiles. One mismatch can mean a registration error — or worse, a permanent ban. Don't skip this.
STEP 2 — Get your discount
- Arno: Buy your discounted DET voucher straight from the Arno dashboard. Done.
- DETPractice : Grab your promo code from their platform, then apply it at checkout on the official DET site.
Simple. But most students still miss it.
π So Which Platform Is Actually Better?
Here's the honest answer: they're built for different moments in your journey.
| Category | Arno | DETPractice |
| Ideal For | Beginners & Foundation Building | Intermediate to Advanced Test-Takers |
| Core Strength | Step-by-step comprehensive learning | Hyper-realistic exam simulations |
| Full Mock Exams | Unlimited access | Package-dependent access |
| Writing Evaluation | Unlimited AI feedback | Unlimited AI feedback |
| Speaking Evaluation | Unlimited AI feedback | Unlimited AI feedback |
| Single Mock Purchase | Not available (Subscription only) | Available (Pay-per-test option) |
| Sam’s Special Bonus | Extra 10% Platform Discount | Standard Pricing |
π’ Arno — For Students Who Are Just Getting Started
If you're new to the DET — maybe you've never even seen what the test looks like —
The interface is clean. The practice material covers every single question type. And the AI feedback on your writing and speaking is genuinely useful, not just surface-level corrections.
What I appreciate most? It doesn't overwhelm you. For students coming from India, Nigeria, Vietnam, the Philippines — markets where structured, self-paced digital learning is essential — Arno gets the experience right.
And through my link, you get an extra 10% off on top of everything:
| Access Plan | Retail Price | With Sam’s Special Link |
| 7 Days | $24.45 | Additional 10% Off |
| 30 Days | $48.91 / month | Additional 10% Off |
| 90 Days | $32.60 / month | Additional 10% Off |
π΅ DETPractice — For Students Who Are Almost Ready
You've put in the work. Your vocabulary is solid. Your writing is decent. But you still feel something's off when the timer starts running.
That's exactly what DET Practice is built to fix.
The mock exams are the closest thing to the real test I've ever seen — the layout, the font, the countdown pressure. Everything. And you don't have to commit to a subscription. You can buy a single mock for $4.99 and see exactly where you stand.
If I ran a DET prep school, this would be mandatory in the final two weeks. No exceptions.
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π Try DETPractice Free Mock First Here !
⚪ Official Duolingo Samples — The Zero-Cost Starting Point
Already scored well on IELTS or TOEFL? Just want to see what the DET format feels like before spending anything?
Start here. It's free, it's official, and it's enough to give you a real sense of the test — even if the question pool is limited.
π Official Duolingo Sample Questions Here !
⭐ Sam’s Recommended DET Study Roadmap
To achieve a 120+ score efficiently without wasting time or money, I highly recommend combining the strengths of both platforms sequentially.
- Phase 1 — Build your foundation (2–3 months out)
- Start with Arno. Use the 90-day plan. Don't rush it. Focus on one question type at a time, submit writing for AI feedback, record and review your speaking. This is where your score ceiling gets set.
- Phase 2 — Simulate the real thing (2–4 weeks out)
- Move to DETPractice. Full-length mocks, back to back. Timed. No pausing. The goal here isn't to learn new things — it's to perform under pressure without falling apart.
- Phase 3 — Book smart (registration day)
- Pull your voucher from Arno or DETPractice. Apply it at checkout. Save up to 15%. Get 24-hour results included, free.
Most students skip Phase 3 because they don't know it exists. Now you do.
✅ Quick Decision Table
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One Last Thing
I know how much pressure rides on this test. Visas. Admissions. Career moves.
The stakes are real, and I don't take that lightly when I write these guides.
Both Arno and DET Practice are genuinely good platforms — I wouldn't recommend
them otherwise. Start free. Upgrade only when you're ready. But when it's time to
book the actual exam, please use a coupon. It's there. It works. And you've already
worked hard enough to deserve the saving.
Study smart.
— Sam♥
π‘ Looking for more study guides? Check out more posts on this blog:
Master the Basics Essential Vocabulary Skill-Based Practice Accepted Schools
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