The all-in-one study app with AI tutoring, practice quizzes, flashcards, voice notes, and 12 subjects. Everything you need to ace your classes.
Powerful AI tools, gamification, and study utilities packed into one beautiful app.
Ask any question on any subject and get instant, detailed explanations from your personal AI tutor.
Your 24/7 genius friend. The AI Tutor understands context across all 12 subjects. Ask follow-up questions, request simpler explanations, or dive deeper into any topic. It adapts to your learning style and provides step-by-step breakdowns for complex problems.
Works with text, images, and even voice input. Get help with homework, exam prep, or just satisfy your curiosity.
Generate quizzes on any topic with AI. Choose difficulty and get instant feedback.
Unlimited practice, zero effort. Just type a topic and difficulty level, and AI generates a complete quiz with multiple-choice questions. Get detailed explanations for every answer, right or wrong.
Track your quiz history and see which topics need more work. Perfect for exam preparation.
Convert your study notes into audio podcasts. Listen and learn on the go.
Turn reading into listening. Paste or type your notes and AI converts them into a natural-sounding podcast. Great for auditory learners or reviewing material during commutes.
The AI structures content into an engaging format with key takeaways highlighted.
Create and study flashcard decks. AI generates them from any topic instantly.
Smart flashcards, zero busywork. Type a topic and AI creates a complete flashcard deck. Or create your own manually. Swipe through cards to study, flip to reveal answers.
Organize decks by subject, star important cards, and track your mastery progress.
Record lectures. AI transcribes audio and generates structured study notes.
Never miss a word. Hit record during any lecture or study session. AI transcribes the audio and automatically generates organized, structured study notes with key points highlighted.
Save recordings, review transcripts, and export notes for later study.
Drop in any text document and let AI analyze it. Get summaries, key points, and insights in seconds.
Read smarter, not harder. Paste any text — research papers, textbook chapters, articles — and AI breaks it down into a concise summary with key points, important terms, and actionable insights.
Perfect for quickly understanding dense material before exams or writing assignments.
Pomodoro technique built in. Track study time and build consistency.
Stay in the zone. Customizable Pomodoro timer with work and break intervals. Tracks your total study time and helps you build consistent study habits.
Earn XP for completed focus sessions. Your study time is logged and visible in your stats.
Plan your study sessions and daily goals. Stay organized and on track.
Plan your path to success. Create daily study plans with specific goals and time blocks. Set reminders for upcoming tests and track your completion rate.
The planner integrates with your subjects so you can balance your study time across all classes.
Each subject comes with its own set of AI-powered tools designed specifically for that field.
Calculator, Graphing, Formulas
Built-in scientific calculator, interactive graphing tool for visualizing equations, and a comprehensive formula reference sheet covering algebra, geometry, trigonometry, and calculus.
Periodic Table, Unit Converter
Interactive periodic table with detailed element info, a unit converter for physics and chemistry calculations, and quick-reference cards for key scientific concepts and laws.
Writing, Vocabulary, Grammar
AI writing assistant for essays and reports, vocabulary builder with definitions and examples, and grammar reference guide with rules and common mistakes to avoid.
Timelines, Key Dates, Figures
Interactive timelines for major historical periods, quick-reference cards for key dates and events, and profiles of important historical figures with their contributions.
Maps, Country Facts, Climate
Country fact sheets with population, capital, and key stats. Climate zone references and geographical feature guides for studying physical and human geography.
Algorithms, Concepts, Glossary
Algorithm visualizations, core CS concept explanations (data structures, OOP, networking), and a comprehensive glossary of programming and computer science terms.
Color Theory, Movements
Color theory reference with color wheels and palettes, art movement timelines from Renaissance to Contemporary, and key artist profiles with their signature styles.
Key Terms, Graphs, Formulas
Essential economics terminology, supply/demand graph references, and key formulas for micro and macroeconomics including GDP, inflation, and market equilibrium calculations.
Vocabulary, Conjugation
Vocabulary lists organized by topic, verb conjugation tables for all tenses, and common phrases for everyday conversation practice.
Vocabulary, Conjugation
French vocabulary organized by theme, complete verb conjugation charts, pronunciation guides, and useful everyday expressions.
Characters, Pinyin Guide
Character stroke order guides, pinyin pronunciation reference, tone practice tools, and essential vocabulary lists for HSK levels.
Vocabulary, Conjugation
German vocabulary by topic, verb conjugation tables, noun gender guides, and case system reference charts for mastering German grammar.
Modeled after official standardized tests like WAIS and Raven's Progressive Matrices. 90 questions across 5 cognitive domains.
Pattern, Numbers, Verbal, Spatial, Logic
Each domain tests a different aspect of cognitive ability: Pattern Recognition, Number Sequences, Verbal Reasoning, Spatial Reasoning, and Logical Reasoning. Your score is broken down by domain so you can see your strengths.
Mean 100, SD 15, percentile ranks
Uses the standard normal distribution (mean 100, standard deviation 15) just like official IQ tests. Get your percentile rank and IQ classification (Average, Above Average, Superior, etc.).
Randomly selected from 90 questions
Each test randomly selects 30 questions from a pool of 90, so every retake feels completely different. No memorizing answers — it's a fresh challenge every time.
Take as long as you need
There's no countdown timer pressuring you. Take as long as you need on each question. Time is tracked and factored into your final score, but you won't be cut off.
Earn XP, unlock achievements, climb ranks, and maintain streaks. Learning has never been this rewarding.
Earn XP for everything you do. Level up and watch your progress grow.
Every action earns XP: completing quizzes, studying flashcards, using the focus timer, asking the AI tutor, and more. As you level up, you unlock new ranks and display titles. Your level is visible on your profile.
Keep your streak alive by studying every day. Track current and best streaks.
Open the app and do any study activity to maintain your streak. Track your current streak and all-time best. Streaks unlock special achievements and bonus XP multipliers.
Unlock achievements across 6 categories: Streaks, Quizzes, Notes, and more.
Over 40 achievements across categories like Study Streaks, Quiz Master, Note Taker, AI Explorer, Focus Champion, and Level Up. Each achievement awards bonus XP and a collectible badge.
Climb from Newbie to Big Brain. Unlock display titles like "Galaxy Brain."
Progress through 6 ranks as you level up: Newbie, Bookworm, Brainiac, Mastermind, Genius, and Big Brain. Each rank unlocks unique display titles you can show on your profile.
Big Brain is free to download with generous limits. Upgrade to Pro for unlimited everything.
Download Big Brain for free and start studying smarter today.