# Mindoria > Learn History, Biology, Psychology and more with bite-sized lessons, spaced repetition, and live PvP trivia battles. Free on Android. Mindoria is a mobile learning app that turns studying into a daily habit. Each lesson takes about 10 minutes. The app uses spaced repetition to schedule reviews at the right time, and includes a real-time PvP trivia mode where players compete head-to-head. ## Quick Facts - **Platform**: Android (iOS on the roadmap) - **Price**: Free forever. Optional Plus and Premium tiers for power users. - **Subjects**: History, Biology, Psychology, Sociology, Economics, Anthropology, Political Science (7 subjects, 90+ lessons each, 450+ total) - **Languages**: English, Portuguese, Spanish, Italian, German, Japanese, Korean (7 languages) - **Website**: https://mindoria.app - **Support**: support@mindoria.app - **Google Play**: https://play.google.com/store/apps/details?id=app.mindoria --- ## Features ### Short Lessons Read a quick explanation, answer a few questions, and move on. Each lesson takes about 10 minutes. Short enough to fit a coffee break or commute, but enough to walk away with something new. ### Spaced Repetition The app tracks which lessons you're starting to forget and brings them back at the moment you're most likely to need a refresher. Review feels timely instead of repetitive. ### Progress and Gamification XP, levels, streaks, and leaderboards give each session momentum without getting in the way. Every completed lesson and review earns progress toward your next level. ### PvP Battles Play against friends or random opponents in quick live rounds. Both players answer the same questions against the clock. Whoever scores higher wins ELO rating. Match a friend directly or get paired instantly with someone at your level. Pick your strongest subject before the match begins. Earn exclusive battle achievements and badges. ### Knowledge Graph See how ideas connect across subjects. Nothing you learn feels disconnected. Concepts from History link to Psychology, Economics ties into Sociology, and so on. ### Multiple Languages Use the app in your own language. Mindoria currently supports 7 languages: English, Portuguese, Spanish, Italian, German, Japanese, and Korean. More languages are being added over time as translations are completed. ### Did You Know? (Curiosities) Scroll through short, bite-sized facts and ideas when you want to learn something new in under a minute. Examples: - Cleopatra lived closer in time to the Moon landing than to the construction of the Great Pyramid of Giza. - Your body contains about 37.2 trillion cells, and each one contains your entire genetic code. - The Dunning-Kruger effect shows that people with limited knowledge tend to overestimate their competence. --- ## Subjects Each subject contains 90+ lessons covering a wide range of topics. Lessons include teaching content followed by quiz questions to test understanding. ### History From Mesopotamia to the Moon landing. Covers ancient civilizations, medieval periods, revolutions, world wars, and modern history. ### Biology Cells, evolution, and the code of life. Covers cell biology, genetics, evolution, ecology, human anatomy, and more. ### Psychology How your mind really works. Covers cognitive psychology, behavioral psychology, social psychology, developmental psychology, and mental health topics. ### Sociology Society, culture, and human interaction. Covers social structures, institutions, inequality, social movements, and group dynamics. ### Economics Markets, money, and decision-making. Covers microeconomics, macroeconomics, market structures, fiscal policy, and economic systems. ### Anthropology What makes us human across cultures. Covers cultural anthropology, physical anthropology, archaeology, linguistics, and cross-cultural studies. ### Political Science Power, governance, and political systems. Covers political theory, comparative politics, international relations, public policy, and political institutions. --- ## Pricing ### Free ($0 forever) - All subjects and lessons - Spaced repetition - 5 hearts (lives) - 3 PvP battles per day - Ad-supported ### Plus - 8 hearts - 10 PvP battles per day - Faster heart refills - No ads - 1 streak freeze per week ### Premium (Best Value) - Unlimited hearts - Unlimited PvP battles - No waiting for heart refills - 2 streak freezes per week - Premium badge - Everything included No credit card required to start. Learn forever for free, or upgrade anytime to unlock the full experience. --- ## Frequently Asked Questions ### Is Mindoria free? Yes. Lessons, reviews, every subject, and PvP are free forever. Optional Plus adds extra hearts, more daily PvP rounds, faster refills, and a weekly streak freeze. Premium goes further with unlimited hearts, unlimited PvP, and extra streak freezes. ### Which subjects can I learn? History, Biology, Psychology, Sociology, Economics, Anthropology, and Political Science. Each has 90+ lessons, with more subjects rolling out over time. ### How does PvP mode work? You and another player answer the same questions against the clock. Whoever scores higher wins ELO rating. Match a friend directly or get paired instantly with someone at your level. ### Does Mindoria use spaced repetition? Yes. The app tracks which lessons you're starting to forget and brings them back at the moment you're most likely to need a refresher, so review feels timely instead of repetitive. ### How long are the lessons? About 10 minutes each. Short enough to fit a coffee break or a commute, but enough to walk away with something new. ### Which languages does Mindoria support? Mindoria currently supports 7 languages: English, Portuguese, Spanish, Italian, German, Japanese, and Korean. More languages are being added over time as translations are completed. ### Is there an iOS version? Not yet. Mindoria is currently available on Android. iOS is on the roadmap. ### Do I need an account? Yes, a free account is required. It only takes a few seconds to create, and it lets your progress sync across devices, your streaks tick up, and your PvP wins count toward your ELO rating. --- ## Links - Website: https://mindoria.app - Google Play: https://play.google.com/store/apps/details?id=app.mindoria - Privacy Policy: https://mindoria.app/privacy - Terms of Service: https://mindoria.app/terms - Delete Account: https://mindoria.app/delete-account - Support: support@mindoria.app