Blackjack Strategy: 21 Trainer came out 33 days ago. It is a niche app, with 65 installs. It doesn't have enough ratings yet to judge what users think.
Blackjack Strategy: 21 Trainer is made and published by
APPHAZE LIMITED.
AppBrain is an independent app data site and isn't affiliated with APPHAZE LIMITED.
The app name, icon, screenshots and description belong to APPHAZE LIMITED and are shown as
published on Google Play.
About Blackjack Strategy: 21 Trainer
Blackjack Strategy: 21 Trainer is a casino app developed by APPHAZE LIMITED.
How many times has Blackjack Strategy: 21 Trainer been downloaded?
Blackjack Strategy: 21 Trainer has been downloaded 65 times. In the last 30 days, the app was downloaded 65 times.
What is the rating of Blackjack Strategy: 21 Trainer?
Blackjack Strategy: 21 Trainer is rated 5.00 out of 5 stars, based on 8 ratings.
Is Blackjack Strategy: 21 Trainer free?
Blackjack Strategy: 21 Trainer is free. The last update was on October 8, 2026.
What are the requirements for Blackjack Strategy: 21 Trainer?
The app has a content rating of High Maturity. The APK has been available on Google Play since October 2026.
Description by APPHAZE LIMITED(from Google Play)
Stop guessing. Start playing perfect blackjack.
21 Trainer tells you the mathematically correct play for every hand, and explains WHY, so you walk into any casino with confidence, not hope.
Whether you're learning basic strategy for the first time or drilling advanced card counting deviations, 21 Trainer adapts to your level.
▸ LEARN THE RIGHT PLAY (FREE)
• 270+ hand scenarios with instant right/wrong feedback and clear explanations for every decision • Color-coded strategy charts that adjust automatically to your selected house rules • 9 real casino presets: Vegas Strip, Downtown Vegas, Atlantic City, Macau, Monte Carlo, Sydney, European (ENHC), Single Deck, and Double Deck • Full rule customization: decks (1-8), H17/S17, DAS, early/late surrender, split limits, 3:2 or 6:5 payout • Track accuracy, streaks, and set session goals
▸ GO PRO: MASTER THE EDGE
• 4 Card Counting Systems: Hi-Lo, KO, Omega II, and Zen Count - Single Card Drill: lock in point values - Multi-Card Counting: build speed under pressure - Deviation Trainer: learn when the count overrides basic strategy • Bankroll Simulator: run virtual sessions with real bet sizing, then review your ROI, strategy adherence, and a hand-by-hand mistake breakdown • Hard Mode: finds your weakest hands and drills them until they're strengths • Advanced Statistics: accuracy heat maps by hand type and dealer upcard, session history, and progress tracking
▸ BUILT FOR SERIOUS PLAYERS
• Works 100% offline, practice anywhere • Left and right-handed layouts • Blind Mode: hide totals, read the cards like a pro • 4 felt colors, 5 card back designs, haptic feedback • Auto-deal with adjustable speed
No real money. No gambling. No data collected. Just pure strategy training for players who refuse to leave money on the table.
Privacy Policy: https://21trainer.app/privacy Terms of Use: https://21trainer.app/terms Support: https://21trainer.app/support
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Comments on Blackjack Strategy: 21 Trainer for Android
★★★★★Amos Rashad· Oct 6, 2026
I have a vega trip comin up for my buddy's bachelor party so this comes in super handy. Works offline and is ad free, focused on teaching blackjack strategy and card counting. Hopefully this time I make money instead of losing it
★★★★★Marvin Fitzgerald· Oct 3, 2026
Always a bit hesitant with new apps but this blackjack one looks dope. Maybe not for a complete beginner but if you played before and want to get better in terms of card counting strategy or just need to get the reps in it'sa solid choice. No ads, several tables and modes to choose from. Yeah good addition to the play store
Google Play Rankings for Blackjack Strategy: 21 Trainer
This app is not ranked
Technologies used by Blackjack Strategy: 21 Trainer
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.
