Learn the logic
Guided lessons explain hard hands, soft hands, pairs, dealer up cards, and the table rules that change the book play.
Learn every correct move
Play blackjack by the book.
A focused, offline tutorial and strategy coach for learning when to hit, stand, double, split, or surrender—and why.
Coming to iPhone and Android.
S17 · H171–3 handsA complete learning loop
Study it. Practice it. Check it.
Practice one to three hands
Play realistic rounds, get immediate coaching, and score the decision—not whether chance happened to reward it.
Look up the current hand
Enter actual player cards and the dealer up card to see the rule-aware basic-strategy recommendation.
Understand side bets
Explore Perfect Pairs and 21+3 hands, example paytables, probabilities, and house-edge context without confusing them with main-hand strategy.
What “by the book” means
Judge the decision, not the result.
Basic strategy improves expected results and usually reduces the casino’s edge. It cannot guarantee a winning hand, session, or profit, and it does not make every game favorable to the player.
Build table-ready confidence
Make the correct play feel automatic.
Blackjack is a game of chance. Never gamble more than you can afford to lose. Electronic strategy aids may be prohibited by law or casino policy even when printed reference cards are allowed.