Martingale Strategy vs Roulette Strategy Builder

Martingale Strategy calculator is the ultimate calculator tool for anyone curious about the famous Martingale betting system for doubling bet size each time you lose. Whether you’re studying probability and statistics, practicing betting strategies, or running risk analysis, this app helps you calculate, simulate, visualize, and analyze your outcomes in seconds. With an intuitive interface and advanced simulations, you can see exactly how long your bankroll might last, what your maximum bet could be, and the risk of ruin under different conditions. Perfect for students, risk analysts, gamblers, or anyone fascinated by statistics and probability. KEY FEATURES: Risk Calculator – Enter your starting bet, probability of win, and max doubles to instantly compute risk of ruin, expected playthrough, and max bet size. Bet Simulations – Run single or batch simulations (up to 1000 runs) to see how Martingale sequences behave in practice. Preset Game Probabilities – One-tap setup for European Roulette, American Roulette, Blackjack, High-Limits Blackjack, or enter a custom game win probability. Graph & Statistics – Visualize cumulative profit/loss across bets with detailed stats including median, min, max, and interquartile ranges. Interpretation Mode – Get clear written explanations of your results so you can understand the risks and not just see the numbers. WHY USE MARTINGALE STRATEGY? Learn how doubling bets actually works in the long run Study probabilities for casino games without risking money Explore risk management and probability theory Gain insights into bankroll requirements and worst-case outcomes DISCLAIMER: Martingale Calculator is for educational and entertainment purposes only. It does not encourage or support real-money or virtual currency gambling.

Build roulette strategies with real probability math. See expected value, hit rate, coverage, and volatility update live as you build combinations on a static table layout. No spins. No chips. No casino. RouletteStrat is an educational probability calculator and strategy simulator. Place bets, watch the math update, understand the odds. STRATEGY BUILDER Tap any cell on the static roulette layout to build a bet combination. Straight-up, split, street, corner, six-line, and outside bets. Your full probability profile updates in real time. 15 CLASSIC STRATEGY TEMPLATES Load well-known strategies instantly and inspect their exact probability metrics: James Bond, Martingale, Fibonacci, D'Alembert, Labouchere, Paroli, Snake, Jeu Zéro, Voisins du Zéro, Tiers du Cylindre, Orphelins, 1-3-2-6, All-on-Red, Corner System, Dozens Chase. MONTE CARLO SIMULATOR Run thousands of simulated rounds on any strategy. Set session length, stop-loss threshold, and profit target. View projected bankroll distribution before committing to a setup. SESSION LEDGER Log wins, losses, and pushes manually to track a live session. No casino integration, no payments, no wagering occurs in the app. SAVE YOUR STRATEGIES Sign in with Apple, Google, or email to save custom strategies to the cloud. EUROPEAN AND AMERICAN WHEELS Toggle between EU (single zero, 2.70% house edge) and US (double zero, 5.26% house edge). Every calculation updates automatically. FOUR LIVE METRICS • Hit Rate: probability that at least one bet wins on a given spin • Coverage: percentage of possible outcomes your bets cover • Expected Value: exact EV per unit wagered • Volatility: standard deviation of outcomes per spin This is not a casino game. No real-money wagering. No in-app purchases. No virtual currency. No gambling. FEATURES • Static roulette table layout, tap to build, instant calculation • Real-time EV, hit rate, coverage, and volatility • 15 classic strategy templates with full probability metrics • Monte Carlo probability simulation engine • Manual session ledger • Cloud strategy save and load • Apple Sign-In and Google Sign-In • European and American wheel support • Dark mode interface