# Coach 21: Blackjack Trainer > Learn blackjack strategy, master card counting, and practice at a table. Canonical page: [https://chrome-stats.com/d/com.wallyapps.blackjacktrainer](https://chrome-stats.com/d/com.wallyapps.blackjacktrainer) ## Overview - **ID:** `com.wallyapps.blackjacktrainer` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Wally Apps LLC - **Category:** GAME\_CASINO - **Downloads:** 12 - **Version:** 1.1.0 - **Last updated:** 2026-09-03 - **First published:** 2026-08-21 - **Publisher country:** US - **Size:** 80 MB - **Data as of:** 2026-09-26 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.wallyapps.blackjacktrainer) - **Website:** [https://21academy.wallyapps.com/](https://21academy.wallyapps.com/) - **Privacy policy:** [https://21academy.wallyapps.com/privacy](https://21academy.wallyapps.com/privacy) ## Description Coach 21 is the most elegant way to get genuinely good at blackjack — a personal coach that teaches you perfect basic strategy, sharpens your card counting, and lets you practice everything at a realistic play-money table. No real-money gambling. Just skill.

Whether you're learning the game or drilling toward flawless play, Coach 21 meets you where you are and shows you exactly what to work on next.

WHAT YOU'LL MASTER

• Basic Strategy — Drill every hand until the right move is automatic, with instant feedback on why to hit, stand, double, or split.
• Card Counting — Learn the Hi-Lo system step by step, then train your speed and accuracy with timed running-count drills.
• The Table — Sit down at a full blackjack simulator with betting, splits, doubles, surrender, and multiple decks. Play money only.
• The Coach — A learning hub with structured lessons, an interactive strategy chart, a glossary, and clear house-rules explanations.

PLAY AT YOUR LEVEL

Choose how much help you get at the table, and dial it back as you improve:

• Solo — Just you and the cards. Test what you really know.
• Hints — Gentle nudges toward the right play and smarter bets, right when you want them.
• Coached — A coach guides every decision in real time, showing the correct move and the reasoning behind it.

BUILT TO MAKE YOU BETTER

• Your Next Step — A personalized recommendation on the home screen tells you exactly what to practice.
• Session Mode — Play graded sessions of 10, 25, or 50 hands and watch your accuracy climb.
• Post-Game Analysis — After every table session, see your strategy grade, betting discipline, and how well your bets tracked the count.
• House Rules — Configure H17/S17, surrender, and DAS, and the whole app adapts.

MAKE IT YOURS

Six hand-crafted themes, from the deep graphite-and-champagne Vault to the light Ivory Club — plus Salon, Noir, Tobacco, and Bordeaux. Set the mood every time you play.

FREE TO LEARN, PRO TO GO DEEP

Every trainer is free to practice. Coach 21 Pro unlocks the depth — full session history, advanced analytics, card-counting mastery, guided table play (Hints and Coached modes), the complete strategy library, and the premium themes — as a one-time purchase. Try everything first with a free 3-day Full Access Pass.

Beautiful, focused, and built for real improvement. Download Coach 21 and start playing your best hand. ## Rankings - #2,827,677 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.INTERNET` - `android.permission.SYSTEM_ALERT_WINDOW` - `android.permission.USE_BIOMETRIC` - `android.permission.USE_FINGERPRINT` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE` - `com.google.android.gms.permission.AD_ID` - `com.wallyapps.blackjacktrainer.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [21 Academy: Blackjack Trainer](https://chrome-stats.com/d/com.studio1650.blackjackacademy) — 55 users - [Blackjack Mastery 21 Trainer](https://chrome-stats.com/d/com.at.blackjackmastery.prod) — 179 users - [Blackjack Strategy Academy](https://chrome-stats.com/d/com.akrivos.blackjackacademy) — 25 users - [BlackJack ProTrainer](https://chrome-stats.com/d/com.julioc.blackjacktrainer) — 26 users - [Blackjack Trainer & Counting](https://chrome-stats.com/d/com.innovizea.cardshark21) — 51 users - [Pro Blackjack Trainer](https://chrome-stats.com/d/com.EternalStarGames.ProBlackjackTrainer) — 19 users - [Carbon Blackjack Academy](https://chrome-stats.com/d/com.shadowcyber.carbonblackjack) - [Ultimate Blackjack Trainer](https://chrome-stats.com/d/tech.lausiv.blackjacktrainer) — 1,126 users, 4.92 / 5 - [Blackjack Strategy Training](https://chrome-stats.com/d/com.baysprogramming.blackjackbasicstrategy.paid) — 93 users - [Blackjack Basic Strategy Chart](https://chrome-stats.com/d/cloud.sharpsignal.blackjack) — 270 users - [Blackjack Trainer: 3rd Shift](https://chrome-stats.com/d/com.kabrastudio.thirdshiftblackjack) — 66 users - [Blackjack trainer by Bojoko](https://chrome-stats.com/d/com.bojoko.blackjacktrainer) — 4,074 users, 3.77 / 5 --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.wallyapps.blackjacktrainer)