Optimal Blackjack

Optimal Blackjack is the most complete blackjack training and advantage-play toolkit available on Android. Built for players who want to understand the game at a mathematical level and sharpen every skill needed to play with a real edge.

🃏 BJ CALCULATOR - PRACTICE TOOL
The heart of the app. Enter cards hand by hand during practice sessions and get instant EV analysis, the mathematically optimal action, and live side bet recommendations - all updating in real time. Designed as a training tool to help you understand every decision at a deep level, not just memorize it. Tracks running and true count automatically, records bankroll progression, and supports paused session resume.

🎮 PRACTICE TABLES
Practice at a fully animated Single Seat or Six Seat table with real blackjack gameplay. Get instant feedback on every decision - Basic Strategy corrections and Index Deviation corrections based on your true count. Build the muscle memory and instincts you need.

📊 STRATEGY CHART GENERATOR
Generate a perfect Basic Strategy chart for any rule combination - decks, H17/S17, Double After Split, surrender type and more. Add Index Deviations from any of the 10 supported counting systems onto your chart. Save, export as images, or upload to the Community Hub where players share charts for specific rule sets. Browse, download and rate charts from players worldwide.

🔢 CARD COUNTER
Dedicated counting screen with running count, true count, remaining decks and bet ramp. Undo support. 10 complete counting systems:
- Hi-Lo, KO (Knock Out), Omega II, Hi-Opt I, Hi-Opt II, Zen Count, Halves, Red Seven, KISS III, Reverse APC

🎯 COUNT TRAINER
4-level x 15-stage structured training program. 60 stages of progressively harder card sequences. Earn stars, track progress, and identify where to improve.

💰 SIDE BET ANALYSIS
Real-time EV tracking for 15 side bets. Insurance, Perfect Pairs, 21+3, Lucky Ladies, Buster Blackjack, Lucky Lucky, Royal Match, Hot 3, Dragon Bonus, Suit Em Up, Match the Dealer, Super Sevens, Bust Bonus, Over/Under 13, In-Between and more. Every side bet shows its exact EV from the current shoe state.

📈 ADVANTAGE ANALYSIS
House edge calculator, player edge by true count, bet spread optimizer, Risk of Ruin calculator, bankroll trajectory, N0 estimate, Trip Planner and Monte Carlo simulation engine.

📋 SESSION TRACKER
Full session statistics - win rate, hands per hour, net profit/loss, blackjack rate, streaks and bankroll chart. Cloud-synced across devices, never lost on reinstall. Export as CSV or full backup.

👥 SOCIAL & COMMUNITY
Add friends, chat in real time, share strategy charts and climb the leaderboard.

⚙️ FULLY CONFIGURABLE
Set your rule set, counting system and side bets once - every module updates to match. Premium table color themes and card back designs available.

Built as a training and analysis tool to master strategy, sharpen your count, and understand the mathematics behind the game.

Requires a free account to sync progress across devices.