Blackjack Trainer 101 vs TwentyOne

Blackjack Trainer 101 is a basic strategy trainer. NOTE: This is *not* a Blackjack game, it is a practice aid for learning basic strategy in Blackjack, and it assumes you already are familiar with the basic rules of the game.  Using this app will *not* guarantee winning in real play, but it will help you play the best possible strategies in any situation. Features: • Four learning modes: random hands, soft hands, pairs, and a custom mode: choose any combination of hands to practice (requires paid upgrade). • Customize the house rules: number of decks in the shoe, hit vs. stand on soft 17, doubling rules and surrender • Skill levels: Higher levels concentrate your training on the harder-to-memorize hands • Strategy guide shows all the best moves and highlights the strategy for the current hand and dealer card • Hint button shows a strategic analysis of the current hand • Left-handed and right-handed playing layouts • Many different rule configurations (1-4 decks, dealer hits/stays on soft 17, double after split, early/late surrender)

TwentyOne is a clean, focused blackjack basic-strategy trainer. Learn the mathematically correct play for every hand, then drill it until it's second nature — in a calm, minimalist interface with no ads and no clutter. WHY TWENTYONE Basic strategy is the proven, optimal way to play every blackjack hand. TwentyOne doesn't just show you a chart — it computes the correct play for your exact table rules and helps you commit it to memory through fast, focused practice. THE STRATEGY CHART • The complete chart for hard totals, soft hands, and pairs • Color-coded for Hit, Stand, Double, Split, and Surrender • Tap any cell to see the expected value behind every option • Recomputes instantly when you change the rules PRACTICE THAT STICKS • Deal a hand, choose your action, and see the correct play right away • Modes: Random, Hard Totals, Soft Hands, Pairs, and Most Missed • "Most Missed" automatically resurfaces the hands you get wrong • Track your accuracy, streak, and performance by hand type PLAYS BY YOUR RULES Real tables differ, and so does correct strategy. Configure: • Number of decks (2, 4, 6, or 8) • Dealer hits or stands on soft 17 (H17 / S17) • Double after split, double rules, and late surrender • Resplit aces, hit split aces, and more The chart and every practice answer adjust automatically. TWENTYONE PRO Take your training further with a single one-time purchase — no subscriptions, no ads: • Expected value on every hand — see the full EV breakdown behind your decision after each practice hand, not just in the chart • Card Counting Trainer — master the Hi-Lo system with four focused drills: – Card Values: flash through the +1 / 0 / −1 tags until they're instant – Running Count: keep an accurate count as cards are dealt – Deck Countdown: race through a full deck down to zero – True Count: convert running count to true count on the fly Everything else in TwentyOne is free. MADE TO LOOK GOOD • Minimalist design with crisp, simple cards • Full light and dark mode • Three app icons to choose from • No ads, no accounts, no tracking — works offline for all training TwentyOne is for study and entertainment. It teaches optimal decision-making and involves no real-money play and no wagering.