Pitchie vs Rival Edge

Pitchie is a simple app that can help you train your ear in recognizing the correct pitch. The app will play a note, then you have to tap which note that is. Answer fast, as you get more points if you do. The timer continuously gets faster so be alert, and have fun!

Learn game theory through real-life scenarios. Rival Edge teaches you the science of strategic decision-making. INTERACTIVE SCENARIOS Face real dilemmas: salary negotiations, splitting restaurant bills, trust in relationships, group projects, and more. Every choice has consequences calculated through actual game theory models. 12 ESSENTIAL THEORIES Nash Equilibrium — why people get stuck in suboptimal situations Tit-for-Tat — the winning strategy in repeated interactions Prisoner's Dilemma — when cooperation beats selfishness Tragedy of the Commons — why shared resources disappear Ultimatum Game — the psychology of fairness And 7 more Nobel Prize-winning concepts 20 DAILY RULES Practical principles for everyday life: "Always name your number first", "Mirror behavior, not words", "Forgive fast, but remember". Each rule is backed by research. FEATURES 10+ scenarios with multiple outcomes Payoff matrices showing the math behind decisions Progress tracking with XP and ranks Beautiful dark interface 6 languages: English, Russian, French, German, Spanish, Italian No ads, no tracking, fully offline Whether you're negotiating a raise, dealing with a difficult neighbor, or deciding whether to trust someone — game theory gives you the edge.