Carmen Rocio Matias C.
Excellent experience that helps you…
Excellent experience that helps you improve your English level.
Response from ArnoApr 8, 2026
Thank you!

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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Carmen Rocio Matias C.
Excellent experience that helps you improve your English level.
Response from ArnoApr 8, 2026
Thank you!
Batzaya M.
really helpfull, highly recommended
Response from ArnoApr 8, 2026
Thank you!
Luana O.
Arno help me to higher my score on Duolingo Test, and focus what I need to develop in grammar, read, etc. When I had started the Arno course my score is 90, now 1 month after is 110, I need 120, but I feel I am near to obtain this point.
Response from ArnoApr 8, 2026
Wow, a 20-point improvement in 1 month is really impressive! We're so glad that Arno could help you.
İsa Kaan A.
Arno was the most helpful resource I could find. With its innovative approaches, it's one of the best resources for exam preparation.
Response from ArnoApr 8, 2026
Thank you!
WeiHsiang T.
I like the AI which help for score and review my writing and speaking. However, the speaking part always has some record or playing error. and the listening part has the same problems too.
Response from ArnoApr 8, 2026
Thank you for sharing that feedback! We'll work on that.
طلال Q.
This website is one of the best of not the best at prepare to the DET.
Response from ArnoApr 8, 2026
Thank you so much!
Jhonatan G.
I was looking for this type of site to improve my skills to do a DET and I found Arno, wich is a big tool to study and connect you with a DET.
Response from ArnoMar 27, 2026
Thank you very much!
Nutritionist M.
Arno really helped me improve my level, especially in understanding question strategies and managing time better. They also provide a study plan tailored to my weak points, which is very focused and effective for achieving real progress. The techniques are practical and easy to apply, and I noticed clear improvement in my performance.
Response from ArnoMar 27, 2026
Hello! We're so glad to hear that you found our Personalized Study Plan feature so valuable :)