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  • Blackjack 21! Casino Card Game screenshot 1
  • Blackjack 21! Casino Card Game screenshot 2
  • Blackjack 21! Casino Card Game screenshot 3
  • Blackjack 21! Casino Card Game screenshot 4

About Blackjack 21! Casino Card Game

This is a free authentic casino Blackjack gambling game, also known as twenty-one or 21, that you can play against the dealer. Enjoy a classic casino card game with Popular Las Vegas rules just like at the real casino. You need to download this app if you like to play slot machines or slots and blackjack or just want to learn how to play Black Jack 21 in a casino and practice your gambling skills to be prepared for your Vegas trip. Top Features of the game - unlimited free chips - fair game 100% truly random card shuffler with deck shuffle animation - authentic Blackjack experience - Double Down, Splits, Insurance, and Surrender - by default, the game is played with a single deck - simple game easy to play with smart controls - hints based on Blackjack strategy charts - game statistics and free chips after bankrupt - lit graphics large cards and easy to play - learn how to beat the casino and how to play blackjack at the casino - easy to play 100% fun addictive and challenging game Basic rules and how to play In Blackjack, you are trying to build a hand with a higher value than a dealer without going over 21. Aces may count either 11 or 1. Face cards are worth 10, and all other cards are worth the number they show. Any hand containing an Ace and a face card is called a Blackjack. NOTE: This is NOT a gamble game for real money. - The game is intended for an adult audience and this card game does not offer "real money gambling" or an opportunity to win real money or prizes. Please let us know what you think of this card game and rate us. Created by CYBERNAUTICA Privacy Policy: https://cybernautica.cz/privacy-policy/ Terms of Service: https://cybernautica.cz/terms-of-service/ Indonesia (IGRS): 18+

Ratings & reviews

4.6

459 ratings

5 ★ 79% 4 ★ 12% 3 ★ 3% 2 ★ 3% 1 ★ 3%

What’s new

Version 5.3 · Updated October 7, 2026

This update includes bug fixes and other improvements.

App privacy

The developer, CYBERNAUTICA s.r.o., reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers: Device ID

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Identifiers: Device ID
  • Usage Data: Product Interaction, Advertising Data
  • Diagnostics: Performance Data, Crash Data
  • Purchases: Purchase History

Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Analytics, Product Personalization, App Functionality

Alternatives to Blackjack 21! Casino Card Game

Looking for apps like Blackjack 21! Casino Card Game? Here are 6 similar apps on the App Store. The highest rated is Blackjack 21: Deluxe Casino (4.8/5), and all 6 are free to download.

Blackjack 21! Casino Card Game vs. alternatives
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Blackjack 21! Casino Card Game 4.6 / 5 (459 ratings) Free October 7, 2026
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Blackjack 21 - Casino Games 4.6 / 5 (147) Free Dec 3, 2025 Compare
Blackjack 21: Casino Poker 4.0 / 5 (154) Free Jan 5, 2026 Compare

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