Arno: DET, TOEFL, PTE, IELTS

Arno is the fastest way to prepare for the Duolingo English Test (DET), TOEFL iBT, PTE Academic, and IELTS.

350,000+ students trust Arno. Together they have answered over 38,000,000 practice questions.

BUILT FOR THE 2026 EXAM FORMATS
Arno is fully updated for the latest 2026 DET, TOEFL, PTE, and IELTS question types, scoring rubrics, and timing. Practice exactly what you will see on test day.

FREE & UNLIMITED PRACTICE
Practice every DET, TOEFL, PTE, and IELTS question type as much as you want. Practice questions are always free and unlimited. Your first mock test is also free.

ACCURATE SCORING AND INSTANT FEEDBACK
Arno scores your responses using the same guidelines as the real exams. Get instant feedback on your grammar, vocabulary, pronunciation, and fluency to improve your scores fast.

REALISTIC FULL-LENGTH MOCK TESTS
Take complete, timed mock tests that match the real exam. Get an estimated score the moment you finish and detailed feedback on every answer. Every new user gets one free mock test.

GUIDED COURSES
Work through structured courses built around each exam. Short lectures paired with targeted practice, organized into clear units so you always know what to study next. Track your progress and pick up where you left off.

AI TUTOR THAT KNOWS YOUR WEAK SPOTS
Arno builds a personalized study plan around your target score. We track your progress across reading, writing, listening, and speaking, then give you the practice you need next.

VOCABULARY BUILDER
Master high-frequency words and phrases with spaced-repetition flashcards built for English proficiency exams.

ALWAYS UP TO DATE
Test makers update their exams often. Arno ships the newest question types and rubric changes so you are never caught off guard.

TRUSTED WORLDWIDE
Arno's interface is fully translated into 30+ languages. Students from over 200 countries use Arno every day to make their study-abroad dreams come true.

WHAT IS FREE AND WHAT IS PAID
Practice questions are always free and unlimited. Your first mock test is free. To unlock more mock tests, AI scoring on every answer, personalized study plans, and the 24/7 AI tutor, upgrade to one of our paid plans.

Download Arno and start your free practice today.