Blackjack 21: Octro Black jack

Blackjack 21: Octro Black jack

Blackjack Online Casino Games

1.3K ratings
19 reviews
Free
In-App PurchasesWith Ads

Details

  • Released
  • Updated
  • December 20, 2023
  • July 15, 2026

Features

Blackjack 21: Octro Black jack screenshot #1 for iPhone
Blackjack 21: Octro Black jack screenshot #2 for iPhone
Blackjack 21: Octro Black jack screenshot #3 for iPhone
Blackjack 21: Octro Black jack screenshot #4 for iPhone
Blackjack 21: Octro Black jack screenshot #5 for iPhone
Blackjack 21: Octro Black jack screenshot #6 for iPhone
Blackjack 21: Octro Black jack screenshot #7 for iPhone
iphone
ipad
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About

Experience the thrill of a 3D casino card game where you aim to beat the dealer by reaching 21. Improve your skills with tutorials, complete quests for rewards, and chat with other players. Enjoy realistic graphics and fair play.

3D graphics
Daily free chips and rewards
Quests and achievements
In-game chat
Tutorial mode
Fair play RNG
Customizable avatars
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What users say

See all reviews

What's New in Blackjack 21

4.67.0

July 15, 2026

New Slot - Hot Hot Hot Chilies. Bugfixes and improvements.

More
23

In-App Purchases

$9.99

Octro Blackjack Chips

Octro Blackjack Chips

Events

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Spin Mania Challenge

New Slots Challenge!

Feb 20, 2024 Feb 21, 2024

User reviews

Good

Good

My thoughts

Almost like being at the table 😃 Fun game ! ! ! 👍

Response from developer

Thank you for the 5-star rating! We're thrilled the game feels almost like being at the real table. Good luck and have fun at the tables! 👍 Best regards, Octro Poker Support Team

This game is good but

My chips went from 2 billions but then the morning i woke up it shows me it is negative 2 billions and i have to watch adds to get my chips back.

Response from developer

Hi, we're sorry to hear about the drop in your chip balance and understand how frustrating that is. We'd like to look into it and make it right. Please email us at support@octropoker.com with userid, and our team will review your account and restore any chips if a verified error occurred on our end. Thanks for your patience! Best regards, Octro Poker Support Team

Raised bets

I went to raise my bet and it didn’t work

Response from developer

Hi there, we're sorry to hear the raise bet feature didn't work for you. We'd like to look into this and get it fixed. Please email us at support@octropoker.com and our team will investigate the issue. Thanks for your patience! Best regards, Octro Poker Support Team

The computers algorithm wins every hand to ensure that I continue to purchase chips.

The game is rigged!

Response from developer

Hi there, thanks for your feedback. We want to assure you that Octro Poker uses a certified RNG (Random Number Generator) for fair card dealing. Outcomes are completely random and are not linked to whether you buy chips. Purchases have no effect on your chances of winning. If you'd like us to review your account, please email us at support@octropoker.com and we'll be happy to look into it. Thanks for playing! Best regards, Octro Poker Support Team

Developer apps

User experience

🐞

Reported Bugs

3 issues

Slots not working

Bug

Blackjack game broken

Bug

Dealer always gets 20

Bug

Requested Features

2 requests

Add roulette option

Feature

Implement private lobbies

Feature

FAQ

What is this app about?

This app offers an online 3D blackjack game where players aim to defeat the dealer by scoring more points than them without exceeding 21. It provides a realistic casino atmosphere with features like daily bonuses, quests, and player chat.

What are the key features of this blackjack game?

Key features include stunning 3D graphics, daily free chips, rewards for winning games and completing quests, an in-game chat function to interact with other players, a tutorial mode for beginners, and a certified Random Number Generator for fair play.

Is this app free to play?

The app is free to download and play, offering free chips daily and through quests. However, it does include in-app purchases, which can be used to acquire more chips or enhance the gaming experience.

What platforms is this app compatible with?

The app is designed to be played on smartphones and tablets. A single account allows users to seamlessly continue their progress across different devices, ensuring a consistent gaming experience.

What are some common use cases for this app?

This app is ideal for individuals looking to play blackjack for entertainment, practice their card game skills, or experience a virtual casino environment from home. It's also suitable for those who enjoy social gaming through its chat feature.