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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 Feedback
Get 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 Predictions
Take 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 Plans
Arno 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. Follow daily activities and track your progress week over week to stay on schedule for your exam.
Vocabulary Builder
Build your English vocabulary systematically with Arno's vocabulary builder. Take a vocabulary level assessment to understand your current level, then work through curated word sets designed to expand your academic and everyday vocabulary. Study definitions, usage examples, and synonyms to deepen your word knowledge.
Your 24/7 Personal Tutor
Ask questions about your test, get study tips, understand scoring, and receive guidance on test strategies through Arno's AI-powered chat assistants. ChatDET, Chat PTE, and Chat TOEFL are specialized for each test, so whether you need help understanding a question type, want advice on time management, or need clarification on test policies, your personal tutor is available anytime to help.
Official DET Test Vouchers
Purchase official Duolingo English Test vouchers directly through Arno at competitive prices. Over 24,000 students have booked their test through Arno. Buy your DET voucher and practice in one place, making your test preparation seamless from start to finish.
Why Students Choose Arno
With free and unlimited practice questions, AI feedback on writing and speaking, realistic mock tests, personalized study plans, and a 24/7 personal tutor, Arno gives you everything you need to prepare for your English proficiency exam. Whether you are preparing for university admissions, immigration requirements, or professional certification, Arno helps you reach your target score with confidence.See more
