Run blackjack simulations in your browser
Compare expected value (EV) for each legal move on a given hand — powered by the same Monte Carlo engine used in our research tools. Everything runs locally on your device; no data is sent to a server.
Educational only. Simulations use your CPU and produce approximate results. For instant 6-deck basic strategy charts, see the Basic Strategy Calculator.
Full-chart results save in your browser per ruleset and true count. Nothing is uploaded.
Run unlimited reps in the app
Card Counting Trainer, Analyze mode, and full-table Play — all with the same research-grade engine, on your phone.
Get on Google PlayPre-computed 6-deck charts with 20,000 trials per move are available on the Basic Strategy Calculator.