60+ Free Study Tools for NEET, GCSE, SAT and STEM Students — All Completely Free
Whether you are preparing for NEET 2026, revising for your GCSE Maths exam, working through SAT practice problems, or simply trying to understand a tricky calculus concept — having the right free tools makes all the difference. This page brings together over 60 of the best free online study tools for STEM students, organised by subject and purpose.
Every tool listed here is free to access, works directly in your browser, and requires no app download or account creation. Bookmark this page and come back every time you need the right tool for the right subject.
Last Updated: June 2026 | 60+ Tools | Trusted by STEM students across India, UK, USA, Nigeria, UAE and Australia.
CATEGORY 1 — Mathematics Tools (Core)
Free Online Mathematics Tools — Calculators, Solvers and Graphing
These free mathematics tools cover everything from basic algebra to advanced calculus — no installation, no cost, and no signup needed. Whether you need to plot a graph, solve a complex equation, or visualise a geometric concept, you will find the right tool here.Tool | About Tool | Best For |
The world’s most popular free graphing calculator. Plot functions, inequalities and parametric equations instantly. Essential for GCSE, A-Level, SAT and AP Math students. | Graphing & functions | |
Free dynamic mathematics software combining geometry, algebra, calculus and statistics in one tool. Used in classrooms across 190 countries worldwide. | Geometry & algebra | |
The most powerful free computational knowledge engine available. Solves equations, generates graphs and explains mathematical steps instantly. | Problem solving | |
Instant step-by-step solver for algebra, trigonometry, calculus and statistics. Simply type your problem and get a detailed worked solution. | Homework help | |
Free equation solver that shows every step of the working. Particularly strong for calculus, logarithms and differential equations. | Calculus & equations | |
Free browser-based scientific calculator — a clean, fast alternative to a physical calculator for timed exam practice. | Quick calculations |
CATEGORY 2 — Calculation & Problem Solving
Free Maths Problem Solvers — Get Step-by-Step Solutions Instantly
These free problem-solving tools break down complex mathematics into clear, understandable steps. Perfect for students who want to check their working, understand a method they missed in class, or practice solving problems independently.Tool | About Tool | Best For |
Free AI-powered maths solver from Microsoft. Scan a handwritten problem or type it in — get instant solutions with step-by-step explanations and video lessons. | All maths levels | |
Point your phone camera at any maths problem and get an instant solution with full working shown. One of the most downloaded free education apps globally. | Mobile learners | |
Free algebra and calculus solver that shows complete working. Clean, fast interface with no distracting ads — great for focused problem practice. | Algebra & calculus | |
Instantly solves equations, inequalities, systems of equations, matrices and calculus problems. No account needed — paste your problem and get an answer. | Advanced maths | |
Free step-by-step algebra solver with detailed explanations written in plain English. Especially helpful for students who need to understand the why behind each step. | Algebra beginners |
CATEGORY 3 — Geometry & Visualisation
Free Geometry & Visualisation Tools — See Maths Come to Life
Visual tools make abstract geometric concepts concrete and memorable. These free platforms let you construct shapes, explore theorems, and visualise three-dimensional objects — skills that are tested heavily in GCSE, A-Level, JEE and SAT mathematics.
Tool | About Tool | Best For |
Explore 3D geometry interactively — rotate solids, plot 3D functions and visualise cross-sections. Free and browser-based, no download needed. | 3D geometry | |
Interactive online geometry tools specifically designed for GCSE students in the UK. Covers angles, bearings, loci, transformations and constructions. | GCSE Maths | |
Free interactive geometry dictionary with animated diagrams explaining every geometric concept. Covers angles, circles, polygons, solids and coordinate geometry. | Concept revision | |
Challenging geometry construction puzzles that develop logical thinking and deepen geometric understanding. Excellent for JEE and olympiad preparation. | JEE, olympiads |
CATEGORY 4 — Calculus Tools
Free Online Calculus Tools — Derivatives, Integrals and More
Calculus is one of the most challenging topics in A-Level, AP and university mathematics. These free online tools make differentiation and integration easier to understand by showing every step of the working with clear notation — ideal for self-study and exam revision.
Tool | About Tool | Best For |
Free online differentiation tool that shows full step-by-step working for any function. Supports product rule, chain rule, implicit differentiation and more. Invaluable for A-Level and AP Calculus revision. | A-Level, AP Calc | |
Comprehensive free integration calculator with detailed steps. Handles definite integrals, substitution, integration by parts and partial fractions — with visual graphs of the result. | A-Level, AP Calc | |
Over 100 free specialised maths and science calculators covering statistics, geometry, algebra, finance and physics. A comprehensive free toolkit for students at all levels. | Multi-topic | |
Free calculus tutorials, resources and tools compiled from top universities. Covers limits, derivatives, integrals and differential equations with worked examples. | University prep | |
Comprehensive free calculus, algebra and differential equations notes by a university professor. Widely regarded as the best free calculus resource online for AP and university students. | AP, university |
CATEGORY 5 — Statistics & Data Tools
Free Statistics & Data Tools — Calculators, Analysis and Visualisation
Statistics is a core component of A-Level Maths, AP Statistics, and university STEM courses worldwide. These free tools handle everything from basic probability calculations to full statistical analyses — no expensive software licence required.Tool | About Tool | Best For |
Clear, beginner-friendly statistics tutorials and free calculators for hypothesis testing, probability, regression and more. Written in plain English with worked examples throughout. | Statistics students | |
Free online calculators for t-tests, chi-square tests, ANOVA, correlation and more. Enter your data directly into the browser and get results instantly. | AP Statistics, university | |
Comprehensive free statistics and probability calculators. Includes normal distribution, binomial, Poisson, and sampling distribution tools used in A-Level and AP Statistics. | A-Level, AP Stats | |
Free open-source statistical analysis software used by university researchers worldwide. Ideal for students learning inferential statistics at degree level. | University statistics |
CATEGORY 6 — Science Tools (Physics, Chemistry, Biology)
Free Online Science Tools — Physics, Chemistry and Biology
Science comes alive with interactive simulations and visual tools. Whether you are preparing for NEET Biology, A-Level Chemistry, AP Physics, or GCSE Science — these free platforms let you conduct virtual experiments, explore molecular structures, and visualise complex biological systems.Tool | About Tool | Best For |
Free interactive science and maths simulations from the University of Colorado. Run virtual physics experiments, explore chemical reactions and model biological processes. Trusted by teachers in 190+ countries. Essential for NEET, A-Level and AP Science revision. | All science subjects | |
The most interactive periodic table available online. Click any element for detailed properties, electron configuration, isotopes and compounds. Invaluable for NEET, GCSE and A-Level Chemistry. | Chemistry, NEET | |
Draw and analyse chemical structures directly in your browser. Ideal for organic chemistry students learning to represent molecular compounds — a key skill in A-Level and NEET Chemistry. | Organic chemistry | |
Free tool for creating professional-quality biology diagrams and scientific illustrations. Create labelled cell diagrams, pathway charts and anatomy illustrations for assignments and revision notes. | Biology diagrams | |
Stunning 3D human anatomy exploration tool. Explore every system of the human body — skeletal, muscular, cardiovascular, nervous and more. Highly effective for NEET Biology and A-Level Human Biology preparation. | NEET Biology |
CATEGORY 7 — Competitive Exam Preparation
Free Competitive Exam Prep Tools — NEET, JEE, GCSE, SAT, WAEC & More
Competitive exam preparation requires targeted practice with real exam-style questions. These free platforms provide mock tests, past papers, doubt-solving, and personalised practice for the most important academic examinations worldwide.Tool | About Tool | Best For |
The world’s most trusted free education platform. Offers complete free courses in maths and science aligned to GCSE, SAT, AP and MCAT curricula. Personalised practice exercises adapt to your skill level automatically. | SAT, AP, GCSE | |
AI-powered free platform for NEET and JEE preparation. Analyses your weak areas, recommends targeted practice, and provides full-length mock tests with detailed performance reports. | NEET, JEE | |
Free mock tests and practice papers for NEET, JEE, UPSC, SSC and state-level competitive exams. Includes previous year question papers with detailed answer explanations. | NEET, JEE, UPSC | |
Free doubt-solving platform for NEET and JEE students. Take a photo of your question and get a video solution instantly. Covers Physics, Chemistry, Mathematics and Biology. | NEET, JEE doubts | |
Free study resources from India’s largest education company. Includes free video lessons, concept notes and practice questions for NEET, JEE and foundation courses. | NEET, JEE | |
The most popular free GCSE and A-Level Maths revision website in the UK. Offers topic-by-topic revision notes, worked examples and past exam papers with mark schemes. | GCSE, A-Level | |
Free GCSE and A-Level Maths and Science revision materials covering the full UK national curriculum. Includes topic guides, past papers and grade-specific resources. | GCSE, A-Level | |
Official free SAT preparation platform from the College Board. Access official practice tests, question-of-the-day, and Khan Academy SAT prep — the most accurate SAT preparation available for free. | SAT prep | |
Free WAEC and JAMB past questions with detailed solutions. Covers Mathematics, Physics, Chemistry and Biology past papers from the West African Examinations Council going back multiple years. | WAEC, JAMB |
CATEGORY 8 — Practice & Learning Platforms
Free STEM Learning & Practice Platforms — Structured Self-Study
Consistent practice is the single biggest predictor of exam success. These free learning platforms provide structured courses, adaptive exercises, and gamified challenges that make daily STEM practice engaging and effective.Tool | About Tool | Best For |
Interactive problem-solving courses in maths, physics and computer science. Brilliant’s visual, hands-on approach builds deep understanding rather than surface memorisation. Highly recommended for SAT, JEE and olympiad preparation. | SAT, JEE, olympiad | |
Curriculum-aligned adaptive maths practice covering every grade from elementary through high school. Students in the USA, UK and Australia use IXL to strengthen specific topic areas identified as weak. | K-12 practice | |
Free videos, practice papers and revision cards for GCSE and A-Level Maths in the UK. Mr Corbett’s video explanations are famously clear and are used by hundreds of thousands of UK students every year. | GCSE Maths | |
Friendly, accessible maths explanations with visual diagrams for students of all ages. Covers number, algebra, geometry, data, and measurement in a way that genuinely makes maths enjoyable. | All ages, beginners | |
Advanced maths curriculum and community for students aiming for top scores in AMC, JEE, and international maths olympiads. Free forums, articles and resources from the world’s top young mathematicians. | Olympiads, JEE advanced |
CATEGORY 9 — General Knowledge & Reference
Free Reference & General Knowledge Tools for STEM Students
A strong general knowledge base supports every STEM subject. These free reference platforms provide authoritative, curriculum-aligned information for science topics, current research, and academic study across all disciplines.Tool | About Tool | Best For |
One of the world’s most trusted encyclopaedias, now fully free online. Authoritative, accurate articles on science, history, geography and more — safe for school and university research. | Research, all subjects | |
Free science and geography educational resources from National Geographic. Stunning visuals, interactive maps and curriculum-aligned articles for school and university students. | Geography, Earth science | |
Free access to NASA’s complete science education resources. Explore space science, earth science, physics and astronomy with real data, images and mission updates from NASA. | Physics, Space science | |
Free access to millions of academic research papers and scientific journals. Essential for university-level research, literature reviews and finding authoritative sources for assignments. | University research | |
Free download of all NCERT textbooks from Class 1 to Class 12. The official curriculum resource for CBSE, NEET and JEE preparation — the most important free resource for Indian students. | NEET, JEE, CBSE |
CATEGORY 10 — Study Productivity & Organisation
Free Study Productivity Tools — Plan, Focus and Remember More
Knowing your subject is only half the battle — effective study habits and organisation are equally important. These free tools help you create flashcards, build study schedules, stay focused during revision sessions, and retain information long-term.Tool | About Tool | Best For |
Free flashcard and quiz platform used by over 500 million students worldwide. Create custom flashcard sets for any STEM topic or access millions of existing sets for NEET, GCSE, AP and SAT subjects. | Memory & revision | |
Free spaced-repetition flashcard app — scientifically proven to be the most effective method for long-term memory retention. Ideal for memorising biology diagrams, chemistry formulas and physics equations. | Long-term retention | |
Free all-in-one workspace for notes, study plans, revision timetables and project tracking. Students worldwide use Notion to organise their entire academic life in one clean, customisable space. | Organisation & notes | |
Free virtual co-working tool that pairs you with a study partner online for 50-minute focused sessions. Proven to dramatically increase study consistency and reduce procrastination. | Focus & accountability | |
Free browser-based Pomodoro timer — the most popular time management technique for students. Study in focused 25-minute blocks with short breaks to maintain concentration throughout long revision sessions. | Time management |
CATEGORY 11 — Video Learning Platforms
Free Video Learning Platforms — Watch, Understand and Revise
Video learning is one of the most effective ways to understand complex STEM concepts. These free platforms offer high-quality video lessons taught by expert educators — covering every subject from NEET Biology to A-Level Physics to university-level engineering.Tool | About Tool | Best For |
Over 8,000 free video lessons covering maths and science from primary through university level. Fully aligned to GCSE, A-Level, SAT, AP, NEET and JEE curricula. The single most comprehensive free education video resource in the world. | All levels, all subjects | |
Fast, engaging and beautifully animated YouTube courses in Biology, Chemistry, Physics, Maths and more. Each episode covers a complete topic in 10–15 minutes — perfect for quick concept review before an exam. | Concept review | |
Free video lectures from India’s premier IITs and IIScs, available on YouTube and the NPTEL website. Covers engineering, mathematics, physics, chemistry and computer science at degree level. | University, JEE Advanced | |
Free live and recorded classes from top educators for NEET, JEE, UPSC and other competitive exams. Daily free sessions available without any subscription. | NEET, JEE, UPSC | |
Free live online classes, recorded lectures and study materials for NEET, JEE, CBSE and ICSE students. Vedantu’s free tier includes access to thousands of hours of lesson content. | NEET, JEE, CBSE |
CATEGORY 12 — Brain Training & Mind Mapping
Free Brain Training & Mind Mapping Tools — Study Smarter
The way you organise and review information is just as important as how much you study. These free mind mapping and brain training tools help you connect concepts visually, create revision maps, and keep your mind sharp throughout your exam preparation period.Tool | About Tool | Best For |
Free online mind mapping tool for creating visual revision maps and concept diagrams. Connect topics, add notes and colour-code branches to build a complete visual picture of any STEM subject. | Visual revision, notes | |
Simple, beautiful free mind mapping tool. Create unlimited mind maps for any subject and share them with classmates for collaborative revision. Clean interface with no clutter. | Collaborative study | |
Free graphic design platform for students. Create revision infographics, labelled diagrams, study posters and presentation slides. Free for students and teachers with an education account. | Visual learners | |
Free collaborative online whiteboard. Use it to map out complex STEM concepts, create revision timelines, or work through problems with a study group online in real time. | Group study, mapping | |
Free brain training games designed to improve memory, attention and problem-solving speed. Particularly useful during intense exam preparation periods to maintain cognitive sharpness. | Cognitive fitness |
Ready to Study? These Tools Are Just the Start.
Having the right tools is the first step — but structured learning content takes you the rest of the way. Explore STEMRize’s free subject guides for step-by-step tutorials in Mathematics, Physics, Chemistry and Biology, written specifically for students preparing for NEET, GCSE, A-Level, AP and SAT examinations.
Found a tool we missed? Have a suggestion for a category we should add? Contact us through our Contact page — we update this list every quarter based on feedback from our global student community.
Frequently Asked Questions — Free Study Tools for STEM Students
Q: Are all the study tools on this page completely free?
A: Yes — every tool listed on this page is free to access. Some platforms like Brilliant.org and IXL offer paid premium plans with additional features, but all tools we link to have a fully functional free tier that covers everything a student needs for exam preparation and self-study.
Q: Which free tools are best for NEET 2026 preparation?
A: For NEET preparation, we recommend: Embibe (AI-powered mock tests), Doubtnut (instant doubt solving), Testbook (past papers), BYJU’s Free (video lessons), Khan Academy (Biology and Chemistry foundations), PhET Simulations (Physics concepts), and NCERT Official (free textbook downloads). Used together, these platforms cover the complete NEET syllabus at zero cost.
Q: Which tools are best for GCSE Maths students in the UK?
A: UK GCSE Maths students should focus on: Maths Genie (past papers with mark schemes), Corbettmaths (video explanations by topic), Revision Maths (topic notes), Desmos (graphing), and Symbolab (step-by-step equation solving). These tools directly address the GCSE Maths curriculum and exam format.
Q: Are there free tools specifically for SAT Math preparation?
A: Yes. The best free SAT Math tools are: Khan Academy SAT Practice (official partnership with College Board — the most accurate free SAT prep available), CollegeBoard’s official practice tests, Desmos (allowed in SAT exams so practice with it), and Microsoft Math Solver for checking your working.
Q: Do these study tools work on mobile phones?
A: Most tools on this page work on modern mobile browsers including Chrome and Safari on Android and iOS. Tools like Photomath and Anki are specifically designed for mobile use. For the best experience with graphing tools like Desmos and GeoGebra, a tablet or laptop screen is recommended.
Q: Which free tools help with WAEC and JAMB preparation?
A: For WAEC and JAMB students in Nigeria, we recommend: Myschool.ng (past questions with solutions), Khan Academy (Mathematics and Science foundations), PhET Simulations (Physics practicals), Ptable (Chemistry — periodic table), and Quizlet (flashcard revision for Biology terms).