Master school and entrance exams with deterministic practice
PrepAI Studio is expanding from chemistry into a full board-aware learning system for classes 9-12: practice, generated papers, scenario drills, mastery analytics, and deterministic tools.
Free Deterministic Tools
Equation Balancer
Balance any chemical equation instantly using linear algebra. No login required.
Periodic Table
Interactive periodic table with all 118 elements. Electron configs, properties, JEE/NEET relevance.
Named Reactions
50+ organic chemistry reactions with mechanisms, conditions, and common mistakes.
Chemistry Calculators
Molar mass, molarity, dilution, pH/pOH, and ideal-gas-law calculators. All deterministic.
Formula Sheet
60+ JEE/NEET/CBSE formulas across 14 chapters with KaTeX-rendered equations and variable definitions.
Study Smarter, Score Higher
Board-Aware Practice
CBSE, ICSE, IB, and Canadian grade 9-12 tracks use deterministic sequencing, mastery gates, and FSRS review.
Blueprint Exam Generator
Generate papers from board blueprints, topic coverage, marks, and difficulty rules instead of random question dumps.
Scenario Drills
Turn weak concepts into applied situations, misconception checks, and timed retrieval drills.
Simple Pricing
Free forever for tools. Paid plans use INR subscriptions through Razorpay.
Free
- 5 practice questions/day
- All free tools
- Periodic table
- Equation balancer
- Named reactions
Pro
- Unlimited practice
- Exam paper generation
- FSRS spaced repetition
- All question types
- Detailed solutions
- Progress analytics
Institution
- Everything in Pro
- Multi-board paper generation
- Scenario drill planning
- Teacher dashboard
- Custom questions
- Priority support