dhiaa A.
This is the best website to practice…
This is the best website to practice DET because it uses AI tools to help students. Thank you Arno.
Response from ArnoMar 27, 2026
You're very welcome! Thank you for the great review.

The Fastest Way to Prepare for DET, PTE, and TOEFL. Arno is an AI-powered test preparation platform for students preparing for the Duolingo English Test (DET), Pearson Test of English (PTE) Academic, and TOEFL. Over 250,000 students across 200+ countries have used Arno to get the scores they need. Practice with Real Test-Format Questions Prepare for your English proficiency test with thousands of practice questions that mirror the actual exam format. Arno covers every question type for the DET, PTE, and TOEFL, and is always fully up-to-date with the latest changes to each test, including the recent TOEFL format overhaul. Practice as much as you want with unlimited reading and listening questions, and get AI-powered feedback on your writing and speaking responses with a paid plan. AI-Powered Writing and Speaking FeedbackGet instant, detailed feedback on your writing and speaking responses powered by advanced AI. Arno analyzes your grammar, vocabulary usage, sentence structure, and content quality, then provides personalized suggestions for improvement. Unlike other English test prep apps that only give you a score, Arno shows you exactly what to fix and how to improve. Every practice response is scored and evaluated so you can track your progress over time. Full-Length Mock Tests with Score PredictionsTake realistic, full-length mock tests that simulate the actual exam experience. Receive a predicted score immediately after completing your test so you know where you stand before test day. Arno's mock test scoring has been calibrated against thousands of real test results to provide accurate score predictions. Identify your strengths and weaknesses across all test sections and focus your study time where it matters most. Personalized Study PlansArno creates a customized study plan based on your target score, test date, available study time, and areas that need improvement. Your plan adapts as you practice, prioritizing the skills where you have the most room to grow.
Arno (goarno.io) has 170 customer reviews on Five Star Index, with an average rating of 4.8 out of 5.
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dhiaa A.
This is the best website to practice DET because it uses AI tools to help students. Thank you Arno.
Response from ArnoMar 27, 2026
You're very welcome! Thank you for the great review.
Mira A.
I think the courses are great because I significantly improved my score in writing about the photo.
Response from ArnoMar 27, 2026
That's great to hear, Mira! Thank you
Nghixuan N.
oki oki i think is usefull for people, who need DET score
Response from ArnoMar 27, 2026
Thank you!
Paulina
This is the best website ever to prepare for Duolingo English test.
Response from ArnoMar 27, 2026
Thank you so much, Paulina!
Leila S.
I used Arno to prepare for the Duolingo English Test and overall, I really liked it. The platform was easy to use and the materials were helpful for understanding the test format. I especially found the exercises for reading and listening useful. However, I wish there were more exercises for speaking and writing, especially for tasks like describing pictures, because I think that would help improve those skills even more. The feedback was helpful, but more detailed tips on how to improve would make it even better. Overall, Arno made me feel more confident for the test, and I would recommend it to anyone preparing for Duolingo.
Response from ArnoMar 26, 2026
Hi Leila! Thank you for the thorough review. We are actively working on improving the feedback on writing and speaking questions -- specifically, helping students learn specific things that will immediately raise their scores. We actually just released some exciting improvements this week!
Harish K.
The Ai thing is really helpful.
Response from ArnoMar 26, 2026
Thank you, Harish!
ELIZABETE P.
It's a fun app, but it takes time to understand how to use it in order to achieve your goal. The support option could be better and also its AI. Arno receives your official scores which are not use to manage your study plan.
Response from ArnoMar 26, 2026
Hi Elizabeth! Thank you for your honest review. It sounds like you had a hard time figuring out how to access the valuable parts of Arno. It's good to know that we need to improve our onboarding experience.
QANIE A.
I like the design of website , the thing that I did not like it enough lesson on speaking
Response from ArnoMar 26, 2026
Hello! Thank you for that feedback. We would love to know more about how we could improve our speaking lessons and feedback. We would really appreciate it you could send us an email at [email protected] with more information.