# BlackJack: 21 Card Game

> Play blackjack offline with basic strategy hints, card counting and World Tour.

Canonical page: [https://chrome-stats.com/d/com.gsss.blackjack](https://chrome-stats.com/d/com.gsss.blackjack)

## Overview

- **ID:** `com.gsss.blackjack`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Gray Software Solutions, LLC
- **Category:** GAME\_CARD
- **Downloads:** 102
- **Version:** 1.3.5
- **Last updated:** 2026-09-03
- **First published:** 2025-04-21
- **Publisher country:** US
- **Size:** 157 MB
- **Data as of:** 2026-09-24
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.gsss.blackjack)
- **Website:** [https://www.graysoftwaresolutions.com](https://www.graysoftwaresolutions.com/)
- **Privacy policy:** [https://privacy.markgcodes.com](https://privacy.markgcodes.com/)

## Description

Play offline blackjack against the dealer in BlackJack: 21, a classic 21 card game with basic strategy hints, Hi-Lo card counting, and World Tour challenges.<br><br>Practice when to hit, stand, double down, or split pairs in single-player hands. Use the optional learning tools to explore your decisions, or turn them off and enjoy the table at your own pace.<br><br>Classic Blackjack, Your Way<br>• Hit, Stand, Double Down, or Split against the dealer<br>• Natural blackjack pays 3:2<br>• Choose from one to eight decks<br>• Adjust the cut-card depth<br>• Set whether the dealer stands on all 17s or hits soft 17<br>• Keep hands flowing with Auto Deal<br>• Play core hands offline with no account required<br><br>Build Your Blackjack Skills<br>• Request an on-demand hint when you are unsure<br>• Explore Hard, Soft, and Pair decisions in the basic strategy guide<br>• Expand the optional Hi-Lo counter during play<br>• Follow both the running count and true count<br>• Review card values and counting instructions whenever you need them<br><br>Take the World Tour<br>• Visit five destination tables with distinct themes<br>• Complete 15 passport objectives<br>• Climb 20 levels and earn XP<br>• Collect chip rewards from challenges and level-ups<br>• Watch passport stamps, rewards, and celebrations land on the felt<br><br>Made for Quick, Satisfying Hands<br>Responsive card deals, chip movement, payouts, verdicts, and shuffles keep the table lively without slowing down play. Claim a 500-chip daily reward, adjust hints and audio, and play on phone or tablet.<br><br>Whether you are new to blackjack, practicing basic strategy, or following the Hi-Lo count, there is always another hand, challenge, or destination waiting.<br><br>BlackJack: 21 is a simulated casino card game for entertainment and practice only. It does not offer real-money gambling, cash prizes, or items of real-world value. Optional in-app purchases are available, and the game contains ads. Purchases and rewarded ads require an internet connection.<br><br>Intended for adults age 18 and older.

## Rankings

- #1,996,744 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_CUSTOM_AUDIENCE`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.AD_ID`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.READ_BASIC_PHONE_STATE`
- `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.gsss.blackjack.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.gsss.blackjack)