21Counts
Card counting · daily lessons
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Learn blackjack card counting in five-minute daily lessons. Bandit teaches you Hi-Lo, true count, and casino survival from the ground up. 7-day free Pro trial.
Learn to count cards like a pro — five minutes at a time.
21 Counts is a Duolingo-style trainer for blackjack card counting. Your guide is Bandit, a friendly raccoon teacher who takes you from the basics of the Hi-Lo system all the way to counting under real casino conditions: busy tables, dealer chatter, mid-shoe shuffles, and pit-boss heat.
WHAT'S INSIDE
• 100 short, focused lessons across five tiers
• Tier 1 — Foundations: map every card to +1, 0, or −1 instantly
• Tier 2 — Running Count: hold the count across a full multi-deck shoe at table speed
• Tier 3 — Basic Strategy: every play decision before the count bends it
• Tier 4 — True Count & Betting: convert RC to TC, bet to the count, deviate on the plays that matter
• Tier 5 — Casino Conditions: distractions, mid-shoe shuffles, pit boss heat, camouflage
• A timed exam between tiers — prove you've got it before the next tier unlocks
THE SHOE
Open-ended practice. Pick Tutorial, Easy, or Standard and count a real shoe at your own pace. Standard runs at table speed with chatter overlays so you can count through the noise — exactly what you'll face at a real table.
WHO IT'S FOR
• Casino visitors who want a real mathematical edge, not just luck
• Strategy and math enthusiasts who love a clean, learnable system
• Anyone curious how the math behind the table actually works
• People who watched 21 and wondered what those kids were really doing
NOT A GAMBLING APP
21 Counts is an education product. There's no real-money play, no bets, no payouts, no in-app casino. Cards in drills are educational visuals; you call a count, not a wager. The skill it teaches is observation and arithmetic — both legal and entirely on the player.
21 COUNTS PRO
Unlock with a 7-day free trial:
• All Tiers 3–5 (Basic Strategy, True Count, Casino Conditions)
• Standard Shoe with full distraction overlays
• Detailed stats and progress history
• All future curriculum (Graduate Tier coming)
Available as Monthly, Yearly (best value), or one-time Lifetime purchase. Cancel anytime from the App Store.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Suwitcha Sugthana, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Suwitcha Sugthana
- Size
- 27.4 MB
- Category
- Education
- Compatibility
Requires iOS 18.6 or later.
- iPhone
Requires iOS 18.6 or later. - Mac
Requires macOS 15.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.6 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Suwitcha Sugthana