The only tool built for players who take the game seriously. Real-time strategy, card counting, EV simulation — everything you need to tilt the odds in your favour.
From basic strategy reference to advanced card counting with real-time deviation alerts — all in one app.
Input your hand and the dealer's upcard. Get the mathematically optimal play instantly — Hit, Stand, Double, Split, or Surrender — backed by exact EV combinatorics, not lookup tables.
Hi-Lo (free), KO, and Omega II counting systems with real-time true count, bet sizing multiplier, and player edge. Pro users get live Illustrious 18 deviation alerts — the 18 most profitable times to deviate from basic strategy.
Run up to 500,000 hands in seconds. See win rate, net P&L, bankroll curve, streak stats, and round-by-round logs. Free tier includes 1,000 rounds to verify the math yourself.
One-tap Win / Loss / Push recording at the table. Tracks streaks, hand counts, and multi-hand rounds. Save sessions by name and browse your full history.
Win rate trend chart across sessions. Session comparison table. Longest win/loss streak analysis. Single vs. multi-hand ROI. Export everything as CSV for your own analysis.
All-black minimal UI designed to be inconspicuous at the table. No flashy animations. Just the numbers you need, when you need them.
Full reference card for hard and soft hands across all dealer upcards. Tap any cell to auto-load that hand into the strategy calculator for detailed EV breakdown.
Submit casino-specific rule variants (H17, ENHC, RSA, 6:5 payouts) and feature requests. Direct line to the developer — 7-day response guarantee. Your edge, customised.
Based on a typical serious player betting $200/hand at a 6-deck S17 table, playing 300 hands per session.
| Factor | Edge Impact | Session EV (300 hands × $200) |
|---|---|---|
| Basic strategy only (free) | House edge −0.50% | −$300 expected |
| + Hi-Lo card counting, TC ≥ +2 | +0.50% flip to player edge | +$300 gain |
| + Illustrious 18 deviations | +0.15% additional EV | +$90 gain |
| Total Pro session EV lift | +0.65% | ≈ +$390 per session |
| Pro Annual plan cost | — | $150 / year |
| Break-even | — | < 0.4 sessions |
* EV is a long-run statistical expectation, not a guarantee of individual session results. Card counting shifts the probabilities over many hands.
Start free. Upgrade when you're ready to play with a real edge.
Pay once, own it forever. Includes all future updates. Best value for regular players.
All plans billed via Apple ID. Subscriptions renew automatically — cancel anytime in iOS Settings → Subscriptions. Prices in USD.
Switch languages instantly inside the app — no restart required.
Free to download. No account required. Start with basic strategy today — upgrade to Pro when you're ready to count.
Requires iOS 17.0 or later · iPhone only · Free download
Last updated: March 26, 2026
By downloading, installing, or using BlackJack Strategist ("the App"), you agree to be bound by these Terms and Conditions. If you do not agree, do not use the App.
BlackJack Strategist is an iOS application that provides blackjack strategy calculation, card counting assistance, probability simulation, and session tracking tools. The App is intended for educational and entertainment purposes.
Free Tier: The App is free to download and includes limited daily uses of the Strategy Calculator (3 free per day), basic card counting (Hi-Lo), 1,000-round simulation, and 3 saved sessions. Additional uses may be unlocked by watching a rewarded advertisement.
Pro Subscription: Pro features are available via monthly subscription ($29.99/month), annual subscription ($150/year), or a one-time lifetime purchase ($300). All purchases are processed through Apple's App Store and billed to your Apple ID.
Subscription Renewal: Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current billing period. You can manage or cancel subscriptions in iOS Settings → [Your Name] → Subscriptions.
No Refunds: All purchases are subject to Apple's refund policy. We do not issue refunds directly. To request a refund, visit reportaproblem.apple.com.
The free tier includes advertisements served by Google AdMob. Advertisements may be personalised based on your device settings and App Tracking Transparency (ATT) consent. You can opt out of personalised ads via iOS Settings → Privacy → Tracking.
BlackJack Strategist provides mathematically-derived strategy information based on probability theory. This App does not constitute gambling advice, does not guarantee winnings, and does not encourage gambling.
Card counting is not illegal in most jurisdictions; however, casinos reserve the right to refuse service to any player. Using this App at a casino is your sole responsibility. We accept no liability for any losses, bans, or legal consequences arising from your use of this information.
Expected Value (EV) figures represent long-run statistical expectations across thousands of hands and do not predict any individual session outcome. Past simulation results do not guarantee future performance.
All content, design, code, and assets within the App are the property of the developer and are protected by applicable copyright and intellectual property laws. You may not copy, modify, distribute, or reverse-engineer any part of the App.
The App does not collect personal information. Session data is stored locally on your device. AdMob may collect advertising identifiers subject to your ATT consent. Please review our full Privacy Policy for details.
To the maximum extent permitted by law, the developer shall not be liable for any direct, indirect, incidental, special, or consequential damages arising from your use of the App, including but not limited to financial losses at gambling establishments.
We reserve the right to modify these Terms at any time. Continued use of the App after changes constitutes acceptance of the revised Terms. Material changes will be notified via an App update.
These Terms are governed by the laws of Singapore, without regard to its conflict of law provisions.
For questions, support, or feedback: hello@blackjackstrategist.app