IIT starts with maths,
crack JEE Main & Advanced
Learn every JEE maths chapter with video lessons, practice questions and notes. Buy only the chapters you need and build the maths score your IIT dream needs.
guided by Karan bhaiya so far


Try a chapter before you buy.
Pick a chapter and watch its 3–4 minute preview. No card, no sign-up. If Karan bhaiya's way of teaching clicks, unlock the whole chapter.

JEE maths shouldn't cost over a lakh a year.
Most students are stuck on three or four chapters, not the whole syllabus. So why pay for all of it?
One Mathflex chapter costs about 1/600th of a year at a big coaching institute (typically ₹1.15L–₹2.41L, varies by city).
See all prices →Every chapter plays like a series.
Each chapter is split into short parts. Finish a part, clear its practice, and the next one unlocks. You always know what to do next.
Watch a part, at your pace.
Short, focused parts instead of 3-hour lectures. Only the time you actually watch counts, so skipping ahead won't unlock anything.
Watch most of it and practice opens.
Its practice set unlocks: daily practice problems and previous-year JEE questions on exactly what you just learnt.
Solve, check, understand.
Instant feedback on every answer, worked solutions, and XP for each one you get right the first time.
Clear it, and the next part unlocks.
Finish the practice and the next part opens. Keep your streak alive, collect badges and climb the leaderboard.

Everything for a chapter, in one place.
Your My Learning dashboard keeps every part, every practice set and every note together, and shows you exactly how far you have come.
Learn from someone who's been there.
Karan Mittal is an IIT Delhi alumnus (B.Tech, Civil Engineering, 2023). After cracking JEE himself, he has mentored 1,000+ students and has worked as a project manager building products. At Mathflex, he teaches JEE maths chapter by chapter, the way he wishes he had learned it.
Karan Mittal · JEE Maths Mentor
Same goal. A fraction of the price.
Pocket-money pricing for IIT-level prep.
Start with one chapter. Move to a full class whenever you are ready.
Pay with UPI, cards or netbanking. New here? Use WELCOME20 · 20% off your first order (up to ₹200)
Questions, answered.
Still stuck on something? Message us and a real person replies.
Chat on WhatsApp →Yes. Every chapter has a free 3–4 minute preview you can watch without paying or signing up. The full parts unlock when you buy the chapter.
Both. Chapters follow the Class 11 and 12 syllabus, and each one shows how much of JEE Main it carries so you can prioritise.
Inside a chapter you own, each part unlocks after you watch most of the previous one and clear its practice set. It keeps you from skipping the bits that cost marks later.
Single chapters: 3 months. Class 11 or Class 12 Complete: 1 year. Class 11 + 12 combo: 2 years. Access is counted from the date you buy, and each page shows its own period. You can renew early from your Profile page once it's within 30 days of expiring.
Yes. Videos adjust to your connection, and notes open right on your phone.
UPI, debit or credit card, or netbanking, through Cashfree, our payment partner.
Refunds are available for duplicate payments, payments where you didn't get access, technical faults on our side, or a wrong purchase reported within 7 days before you've used the content beyond a small preview. See the refund policy.
Your IIT seat starts with one chapter
Watch a chapter preview today. If it clicks, the whole chapter is yours from ₹199.







