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Android Apps > Card > BlackJack: 21 Card Game
BlackJack: 21 Card Game icon

BlackJack: 21 Card Game

by Gray Software Solutions, LLC · Card · Free
On Google Play since April 2025 · Data updated 2026-10-19

BlackJack: 21 Card Game is made and published by Gray Software Solutions, LLC. AppBrain is an independent app data site and isn't affiliated with Gray Software Solutions, LLC. The app name, icon, screenshots and description belong to Gray Software Solutions, LLC and are shown as published on Google Play.

AppBrain's verdict

Niche
Total installs
110
Last updated
September 3, 2026

BlackJack: 21 Card Game is a niche app, with 110 installs. It doesn't have enough ratings yet to judge what users think.

Official page on Google Play

Installs

Tracked by AppBrain
Last 30 days
5
Play install range
100+
Launched
April 2025

Installs over time

BlackJack: 21 Card Game has been installed 110 times. Over the past 30 days, it has been installed 5 times.

Rankings

Google Play top charts

Google Play Rankings for BlackJack: 21 Card Game

This app is not ranked

Competitors

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Releases

Updates seen on Google Play
Version
1.3.5
Launched
April 2025
  • Sep 14, 2026Installs100+ installs
  • Sep 3, 2026UpdateVersion 1.3.5
  • Nov 23, 2025Installs50+ installs
  • Apr 27, 2025Installs10+ installs
  • Apr 15, 2025New AppVersion 1.1.7 in CARD for Free
Show all changes Show fewer

User feedback

Ratings and reviews on Google Play

Comments on BlackJack: 21 Card Game for Android

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Technology

Found in the app by AppBrain
Ads
Contains ads
Price
Free
Libraries
?
App size
129.0 MB
Content rating
High

Technologies used by BlackJack: 21 Card Game

15 permissions
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About the app and developer

About BlackJack: 21 Card Game

BlackJack: 21 Card Game is a card app developed by Gray Software Solutions, LLC.

Install Statistics

BlackJack: 21 Card Game has been downloaded 110 times. In the last 30 days, the app was downloaded 5 times.

User Ratings

The app has no ratings yet.

App Information

BlackJack: 21 Card Game is freely available from Google Play. The APK size is 128.95 MB. The latest APK version available is 1.3.5. The last update was on September 3, 2026.

Technical Requirements

The app has a content rating of High Maturity. The app has been available on Google Play since April 2025.

App Performance Report

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Developer information for Gray Software Solutions, LLC

Gray Software Solutions, LLC

mark@graysoftwaresolutions.com

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Store listing

By Gray Software Solutions, LLC, from Google Play

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

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Screenshots by Gray Software Solutions, LLC, from the Google Play listing
Description by Gray Software Solutions, LLC Written by the developer, not by AppBrain. Click to read.
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.

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.

Classic Blackjack, Your Way
• Hit, Stand, Double Down, or Split against the dealer
• Natural blackjack pays 3:2
• Choose from one to eight decks
• Adjust the cut-card depth
• Set whether the dealer stands on all 17s or hits soft 17
• Keep hands flowing with Auto Deal
• Play core hands offline with no account required

Build Your Blackjack Skills
• Request an on-demand hint when you are unsure
• Explore Hard, Soft, and Pair decisions in the basic strategy guide
• Expand the optional Hi-Lo counter during play
• Follow both the running count and true count
• Review card values and counting instructions whenever you need them

Take the World Tour
• Visit five destination tables with distinct themes
• Complete 15 passport objectives
• Climb 20 levels and earn XP
• Collect chip rewards from challenges and level-ups
• Watch passport stamps, rewards, and celebrations land on the felt

Made for Quick, Satisfying Hands
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.

Whether you are new to blackjack, practicing basic strategy, or following the Hi-Lo count, there is always another hand, challenge, or destination waiting.

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.

Intended for adults age 18 and older.

Recent changes:
Bug fixes included.
Official page on Google Play
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Overview Alternatives History Reviews Rankings Technology
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