AI Doubt Solver
Stuck on a problem? Snap, type, or speak. Get step-by-step solutions in seconds, 24/7.
Built for the exams that matter
50,000+
doubts solved
10,000+
PYQs covered
8+ hrs
saved per week
4.8 ★
student rating
Features
Everything you need to study smarter
From the moment a doubt hits to the night before your mock test — HELIX has you covered.
Smart Study Planner
Daily plans built around your exam date, syllabus, and pace. No more guesswork.
Revision Mode
Spaced-repetition flashcards that bring back what you're about to forget, right on time.
PYQ Practice
Thousands of previous year questions from JEE, NEET, boards, and state exams — sorted by topic.
Mock Tests
Full-length and chapter-wise tests with real-exam timing, instant scoring, and detailed analysis.
Progress Tracking
See streaks, weak topics, and accuracy trends. Improve the right things, not everything.
Subject-wise mastery
Physics
NCERT + PYQs
Chemistry
NCERT + PYQs
Biology
NCERT + PYQs
Mathematics
NCERT + PYQs
Exam support
One app. Every exam you're targeting.
Whether it's JEE, NEET, GUJCET, MHT CET or your board exams — HELIX has the syllabus, the PYQs and the plan.
JEE
Main + Advanced
NEET
UG medical entrance
GUJCET
Gujarat CET
MHT CET
Maharashtra CET
CBSE Board
Class 11 & 12
State Boards
All major states
BITSAT
Pilani entrance
WBJEE / KEAM
State engineering
How it works
Three steps to a smarter you
01
Pick your class & exam
Tell HELIX you're in Class 11 or 12, your board, and your target — JEE, NEET, GUJCET, MHT CET, or boards.
02
Ask doubts, study daily
Chat with the AI tutor the moment you're stuck. Follow a personalized daily plan that adapts to your pace.
03
Practice PYQs, track progress
Solve previous year questions, take mock tests, and watch your weak topics turn into strengths.
Pricing
Plans that fit every student
Start free, upgrade when you're ready. No hidden fees. Cancel anytime.
Free
₹0 / forever
- 15 AI doubts per day
- Basic study planner
- Limited PYQ practice
- With ads
- Progress tracking
Try it out
Starter
₹199 / 2 months
- 30 AI doubts per day
- Full study planner
- 200 PYQs included
- Min. 3 ads per day
- Mock tests
Most popular
Pro
₹499 / 6 months
- 50 AI doubts per day
- Full study planner + revision
- 500 PYQs included
- No ads
- Mock tests + analytics
Best value
Elite
₹999 / 12 months
- Unlimited AI doubts
- Everything in Pro, fully unlocked
- Full PYQ library — all exams
- Zero ads, ever
- Priority doubt response
All plans include NCERT-aligned content. Secure payments via UPI, cards & netbanking.
Students love HELIX
Real students. Real results.
"I used to waste 30 minutes flipping through books for one doubt. HELIX solves it in 10 seconds with the actual steps. My mock scores jumped from 120 to 180 in three months."
A
Aarav S.
Class 12 · JEE 2025
"The revision mode is unreal. It remembers what I forget and reminds me to revise the night before. Biology NCERT is finally clicking."
P
Priya M.
Class 11 · NEET aspirant
"Clean, no clutter, no distractions. Just the question, the solution, and a button to ask a follow-up. Exactly what I needed after school."
R
Rohan K.
Class 12 · GUJCET
FAQ
Questions, answered
Which exams does HELIX support?
JEE Main & Advanced, NEET, GUJCET, MHT CET, BITSAT, WBJEE, KEAM, and most other state engineering & medical entrance exams — plus CBSE and State Boards for Class 11 and 12.
What do I get on the free plan?
15 AI doubts per day, access to the basic study planner, and a limited set of PYQs. It's the best way to try HELIX before you upgrade.
Are doubts really unlimited on the Elite plan?
Yes. On the ₹999/year Elite plan, you get unlimited AI doubt-solving, zero ads, the full PYQ library, and priority response time.
Does HELIX work for CBSE and State Boards?
Absolutely. We have full NCERT coverage for Physics, Chemistry, Biology and Math, plus state-board specific PYQs and syllabus mapping.
Is HELIX only for the Science stream?
Yes — for now. HELIX is built ground-up for Class 11 and 12 Science students, which is exactly why it works so well for its target audience.
Can I switch plans later?
Of course. Upgrade or downgrade anytime — your progress, history, and PYQ bookmarks all stay with you.
Ready to Unfold Your Potential?
Join thousands of Class 11 & 12 Science students studying smarter, not harder.