Advanced 21 Blackjack icon

Advanced 21 Blackjack v1.0.30

Contains ads • In-app purchases

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About this app

Developer Description

The most realistic way to play Blackjack without having to set foot in a casino.

Advanced 21 Blackjack is the most realistic, free way to play twenty-one without setting foot a casino. With customizable table rules, graphics and play style, this blackjack game provides thousands of hours of playtime, strategy building and fun!

Advanced 21 Blackjack puts you in complete control of your play experience, including:
- Deck shoe size (1 to 8 decks)
- Blackjack payout ratio
- Allowing surrender
- Double down after split
- Dealer hit or stand on soft 17
- Pay on push
- Automatic Winner Charlie Rules

Make the game your own while practicing new betting strategies, table positioning, and basic blackjack strategy:
- Play at up to 6 seat positions simultaneously
- Have computer players randomly come and go simulating a real casino experience
- Specify computer play positions if you wish, or turn them off completely
- Set the gameplay rules for: auto-rebet, auto-stand, showing suggestions for the basic blackjack strategy, auto declining insurance, show or skip animations, and much more!

Continue to hone your skills with Advanced 21 Blackjack through table advancement, starting as “The Rookie” and earning your way to the “The Whale” table. Earn club points by completing achievements and to unlock new graphics, including:
- Poker chip sets
- Card deck faces
- Card backs
- Table prints and unique bet boxes
- Table pad colors and font textures

Want to make suggestions on Advanced 21 Blackjack or report an issue? Contact us at advanced21@basement.software. Thanks!

Please note: Advanced 21 Blackjack is free to download and play, however, some options are available through in app purchase. If you do not want to use this feature, please set up password protection or disable in app purchases within the app store.

A network connection is required to play Advanced 21 Blackjack.

This free blackjack app is intended for adult audiences and does not offer any real money gambling nor offer any opportunities to win real money or prices. Any success within Advanced 21 Blackjack does not imply any future success in real money casinos or gambling.

Gambling addiction is real. If you or someone you know may be addicted to gambling, call or visit your local gambling helpline.

What's New

Leaderboards: Compete with players around the world! Our new leaderboards allow you to track your performance and see how you stack up against others. Climb the ranks and showcase your skills!

In-app purchases

$1.99 - $99.99 per item

Version Information

Version
1.0.30
Downloads
10K+
Updated on
Dec 20, 2025
Released
May 27, 2020
Requires
Android 8.0

Statistics

Google Play Rating History

Current
Average
Range

Rating Distribution

Total Ratings:

Downloads Over Time

Advanced 21 Blackjack has been downloaded times.

Total Downloads
Last 30 Days
Avg Daily Est.

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Advanced 21 Blackjack users say on Google Play

★★★★★
Dominic Strong Dominic Strong

One of my favorite 21 apps, has a lot of options for game play, unlike most 21 apps. If you're new to blackjack, this app will teach you the correct way to play, being it has the strategy card and highlights what move you should do. It's also good for us advanced players as well.

2 Nov 18, 2024
★★★★
Timothy Juarez Timothy Juarez

I'm not a Blackjack enthusiast in any stretch of the word. But, the developers have done an excellent job on this assignment. I like the fact that I can be the only one at the table by playing 6 hands simultaneously. A21BJ gives the option to invite random computer players whenever I like. there are some extras to purchase and the bankroll is generous when I run into trouble. So the one thing that takes that one star from shining. Is the minimalist fashion in which A21BJ was created. 5 if shine

3 Apr 14, 2025
★★★
B.R.S. Burns B.R.S. Burns

Great game but data collection details are fuzzy. Must be a lot because you cannot play offline when there can't be any real reason you need a connection other than to scrape info.

1 Feb 18, 2024
★★
PeeJay PeeJay

Aggravation would sum up my feelings. Ur algorithm is a bit too house friendly.

0 Jul 9, 2025
David Mahr David Mahr

Had this game on my old Windows phone, still plays as predictable as that version. 20/21 for the dealer 75% of the time, AI players play like idiots. Interface and game options are awesome but the actual game play is way too frustrating and unrealistic, which ruins the experience. Un-installed this quite a while ago, decided to try it again. Same frustration from the dealers' magical luck whenever you bet over $5. Back to the non-installed app list.

2 Aug 25, 2022

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