Your AI Voice Tutor for Cracking CAT
Practice quant, DILR & VARC with an AI tutor that speaks Hinglish, guides you step-by-step, and never gives away the answer.
How It Works?
Get started in under 30 seconds
Select chapters you want to practice
Choose the chapters you want to practice, and Opto will guide you through every concept.
Meet your tutors, choose your style.
Every tutor brings a different approach and you can switch it in each question.
Start Practicing with Opto
Start practicing with Opto and get step-by-step guidance as you work through each question.
What Makes Prof. Opto Different
Built specifically for CAT aspirants, not just another chatbot
Understands Any Language
Explains concepts the way you want, in Hindi or English.
Never Gives Away the Answer
Guides you with hints and questions so YOU solve it — building real exam confidence.
Voice + Text + Images
Talk, type, or upload your rough work — Prof Opto understands all formats.
Everything you need to know about Prof Opto
Prof Opto is an CAT tutor that helps you practice quantitative aptitude, DILR, and VARC questions through real-time voice or text conversations. It speaks Hinglish, guides you step-by-step, and never gives away the answer — so you actually learn.
Yes! You can try Prof Opto for free. Just sign up with your email or Google account and start a session — no credit card required.
Prof Opto covers all major CAT topics across Quantitative Aptitude (arithmetic, algebra, geometry, number systems), Data Interpretation & Logical Reasoning, and Verbal Ability & Reading Comprehension. You can use preset questions or paste any question of your choice.
Yes! Prof Opto communicates in Hinglish — a natural mix of Hindi and English — just like how most Indian students discuss math problems. This makes the learning experience feel natural and relatable.
Absolutely! Prof Opto supports voice conversations, text messages, and even image uploads. You can talk to the tutor, type your responses, or upload a photo of your rough work — whatever feels most comfortable.
Unlike generic AI chatbots, Prof Opto is specifically designed for CAT preparation. It never gives away the answer directly — instead, it asks guiding questions and provides hints so you develop problem-solving skills. It also speaks Hinglish and understands the CAT exam context deeply.
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