21 Sharp

Master Blackjack Strategy

Free · In-App Purchases · Designed for iPad. Not verified for macOS.

Master blackjack like a pro. Learn basic strategy, practice card counting, and turn the house edge in your favor. Turn the odds in your favor. 21 Sharp is a professional-grade blackjack trainer that teaches you basic strategy and card counting—the same techniques used by advantage players to beat the house. BASIC STRATEGY TRAINING Learn the mathematically optimal play for every possible hand. Our quiz system drills you on 270+ hand combinations until perfect strategy becomes second nature. Reduce the house edge to just 0.5%. CARD COUNTING DRILLS Master the Hi-Lo counting system with speed-building exercises. Track running counts, calculate true counts, and learn when to increase your bets. Practice until you can count down a full shoe with accuracy. PRACTICE TABLE Play realistic blackjack hands with real-time strategy hints. See the running count, get recommendations for every decision, and learn from your mistakes without risking real money. REFERENCE GUIDES Access complete basic strategy charts and a comprehensive Hi-Lo counting guide anytime. Perfect for quick review before hitting the casino. TRACK YOUR PROGRESS Unlock 25+ achievements as you improve. Monitor your accuracy, streaks, and stats across all training modes. Watch yourself transform from beginner to sharp. Whether you're preparing for Vegas, want to impress at home games, or just love the math behind the game, 21 Sharp gives you the edge. Play Sharp. Win Sharp.

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    Information

    Seller
    • busyslacker llc
    Size
    • 1.3 MB
    Category
    • Education
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    13+
    In-App Purchases
    Yes
    Copyright
    • © 2026 busyslacker llc
  • Privacy Policy

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