Blackjack Trainer: 21 Coach
Practice the mathematically correct play for every hand, one deal at a time.
What it is
Blackjack Trainer is a practice app that teaches basic strategy, the play that gives the house the smallest possible edge. You play real hands against a dealer and get instant feedback the moment your move differs from the correct one.
- No real money, no wagers, no payouts. It is a practice tool, not a gambling app.
- No account, no signup, no ads.
- Works fully offline. Your progress stays on your device.
Free and Pro
Free: 15 practice hands a day, plus the Daily challenge, every lesson, the strategy chart and the counting drills, with no time limit.
Pro: unlimited practice and the advanced study tools: index plays, Shoe Lab, the decision math behind every play, and the Daily archive. Choose a yearly plan or a one-time Lifetime unlock in the app; prices are shown there before you buy.
Already using the app? Your practice stays unlimited and free.
Basic strategy charts
Not sure of the correct play for a hand? The free blackjack basic strategy charts show it for every hand, for dealers that hit or stand on soft 17, with the reason behind each play.
Blackjack guides
New to the game? Start with how to play blackjack, read the full blackjack rules and what dealer hits soft 17 means, then learn card counting with the Hi-Lo count.
Your privacy
No account, no analytics, no tracking, no ads. Your practice data stays on your phone. If you buy Pro, Apple processes the payment and RevenueCat keeps an anonymous record of the purchase so Pro works on your devices. Read the full policy here: Privacy Policy. The terms for using the app are in the Terms of Use.
Support
Questions, bugs, or feedback: info@appanaventures.com. I read every message.