♠ Blackjack Theory

Play blackjack like the math says.

Drill basic strategy until it's automatic, learn Hi-Lo card counting step by step, and track your skill with a rating that only goes up when you get it right.

Practice chips only. No real-money gambling.

Support

Questions, bug reports or billing help: support@blackjacktheory.app.

To manage or cancel a subscription, open your App Store or Google Play account settings. To restore Pro on a new device, tap Restore purchases in Settings.