# Blackjack 21: Octro Black jack — Blackjack Online Casino Games

> 3D online blackjack card game with casino ambiance and player interaction. (iPhone/iPad app by Octro, Inc..)

- Source: https://appshunter.io/ios/app/blackjack-21-octro-black-jack/id6446476724 (this page in markdown: same URL + `.md`)
- Developer: [Octro, Inc.](https://appshunter.io/developer/319494433)
- Category: Games, Entertainment, Card, Casino
- Price: Free with in-app purchases
- Rating: 4.70/5 from 1,293 App Store ratings · 19 written reviews indexed
- Age rating: 17+
- Requires: iOS 15.0 · 368 MB
- Languages: American English
- Released: 2023-12-20
- Data updated: 2026-09-04
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/blackjack-21-octro-black-jack/id6446476724/reviews.md

## What is Blackjack 21?

Octro's blackjack game is the best online 3D blackjack game!
Blackjack is a game that is sure to delight any player. Defeat the dealer by getting more points than he does, and you'll win chips. Take a dive into the casino atmosphere and hit the jackpot!
Become the best blackjack player ever and improve your skills by playing now!

From the makers of the best Texas Holdem poker game, experience the excitement of Octro Blackjack, the ultimate card game that blends strategy, skill, and luck! Immerse yourself in the authentic casino ambiance as you strive to outsmart the dealer and claim mastery over the cards. Octro Blackjack free delivers an unmatched gaming adventure with impressive visuals, lifelike gameplay, and an array of features to ensure you keep returning to casino games like this for more!

3D BLACKJACK FEATURES:

Game features:
• FREE CHIPS – Get free chips every day by playing the Octro Blackjack game!
• GET REWARDS – Up the stakes, win games against the dealer, take risks to get to 21 and unlock achievements.
• QUESTS – Complete daily quests to get free chips!
• CHAT WITH OTHER PLAYERS – Have even more fun at the casino tables with our convenient in-game instant messenger and chat with other blackjack players.
• FAIR PLAY GUARANTEED – Our certified Random Number Generator (RNG) gives you the best and fairest blackjack experience!
• LEARN TO PLAY – Are you new to blackjack but always wanted to try it?
Our simple-to-follow tutorial mode will help you take the first steps. Quickly learn everything you need to know about blackjack, from the rules of the game to winning combinations.
• 3D GRAPHICS – An absolutely free blackjack game with stunningly realistic 3D graphics.
• SINGLE ACCOUNT – Start playing free blackjack on your smartphone, then continue on your tablet without losing progress. Use your account to play any of our other casino games in one app.

Authentic Gameplay:
Enjoy 3D blackjack 21 casino games from your own home. A lifelike graphic and intuitive control system create an authentic black jack ambiance. Like in a casino, feel the rush of making strategic decisions. Poker and slots games are also available!

Daily Bonuses and Rewards:
Maximize your winnings with daily bonuses and casino games rewards! Log in daily to claim your rewards and boost your in-game currency. Use your bonuses strategically to place higher bets and increase your chances of hitting the jackpot!

Customizable 3D Avatars:
Just like in Octro’s Texas holdem poker, you can customize your gaming journey by crafting your very own avatar in blackjack online. Select from a diverse range of choices to give your virtual persona a distinctive touch. Stand out at the tables and let your avatar represent your style and personality.

Want more than blackjack?
If you want to experience 3D in the best way, try these other games:
• TEXAS HOLD'EM POKER – The most popular casino game among professional gamblers! Test your skills in amazing poker tournaments!
• SLOTS – Explore our themed slots with lots of unique features!

Download Octro Blackjack free now and embark on an unforgettable journey into the heart of the casino. Whether you're a seasoned pro or a newcomer to the world of black jack, this game offers endless hours of entertainment and the chance to become the ultimate card sharp. And whenever you need a change, you can play poker games & slots games! Are you ready to beat the dealer and claim your place as the Octro Blackjack 21 champ? Play now and find out!

DISCLAIMER
Octro online Blackjack is not a real-money gambling game and does not involve opportunities to win real money. Also, playing Octro Black jack games does not imply any success at real-money gambling.

REACH OUT TO US
We would love to hear from you! If you have any feedback or are facing any issues with the Octro Blackjack game, please write to us in Reviews

## Key features

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

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Octro Blackjack Chips | $9.99 | one-time |
| Octro Blackjack Chips | $24.99 | one-time |
| Octro Blackjack Chips | $99.99 | one-time |
| Octro Blackjack Chips | $4.99 | one-time |
| Octro Blackjack Chips | $199.99 | one-time |
| Octro Blackjack Chips | $0.99 | one-time |
| Octro Blackjack Chips | $2.99 | one-time |
| Octro Blackjack Chips | $0.99 | one-time |
| Octro Blackjack Chips | $4.99 | one-time |
| Octro Blackjack Chips | $0.99 | one-time |
| Octro Blackjack Chips | $4.99 | one-time |
| Octro Blackjack Chips | $19.99 | one-time |
| Octro Blackjack Chips | $9.99 | one-time |
| Octro Blackjack Chips | $19.99 | one-time |
| Octro Blackjack Chips | $0.99 | one-time |
| Octro Blackjack Chips | $79.99 | one-time |
| Octro Blackjack Gold Cards | $9.99 | one-time |
| Octro Blackjack Chips | $14.99 | one-time |
| Octro Blackjack Gold Cards | $99.99 | one-time |
| Octro Blackjack Chips | $39.99 | one-time |


## What do users think of Blackjack 21?

Overall sentiment: negative

**Pros**

- 👍 Great game
- 👍 Fun and easy to play
- 🎨 Best graphics ever

**Cons**

- 🐛 Rigged algorithm
- 🐛 Broken game experience
- 🐛 Suspicious dealer behavior
- 💰 Coins disappearing

**Commonly reported bugs**

- Slots not working
- Blackjack game broken
- Dealer always gets 20

**Most requested features**

- Add roulette option
- Implement private lobbies

## Recent user reviews (10 of 19)

All indexed reviews: https://appshunter.io/ios/app/blackjack-21-octro-black-jack/id6446476724/reviews.md

### 5/5 — Good

*2026-01-16*

Good

### 5/5 — My thoughts

*2025-11-29*

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

**Developer response:** 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

### 1/5 — This game is good but

*2025-04-18*

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.

**Developer response:** 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

### 1/5 — Raised bets

*2025-04-16*

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

**Developer response:** 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

### 1/5 — The computers algorithm wins every hand to ensure that I continue to purchase chips.

*2025-03-07*

The game is rigged!

**Developer response:** 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

### 1/5 — Slots Support

*2024-10-11*

It’s Not Letting Me Play Slots And It’s A Major Inconvenience Please Fix

**Developer response:** Hi there, we're sorry to hear the slots aren't loading for you. We'd like to get this fixed.

Please email us at support@octropoker.com and our team will investigate the issue and help get you back to playing.

Thanks for your patience!

Best regards,
Octro Poker Support Team

### 1/5 — Ripoff

*2024-08-02*

Ripoff, wins 90% of the time….

### 1/5 — Blackjack Game is broken

*2024-06-05*

I just see a dealer, white background, no table, no card animation.  What happened?  The game worked previously.  Now totally broken 3D experience.

**Developer response:** Hi there, we're sorry to hear the Blackjack table isn't displaying properly. That's not the experience we want, and we'd like to get it fixed.

Please email us at support@octropoker.com and our team will investigate the display issue and help get it working again.

Thanks for your patience!

Best regards,
Octro Poker Support Team

### 5/5 — Great Game!

*2024-04-18*

Really enjoying this game. Would definitely love to see Roulette added though as another option to play!

**Developer response:** Hi, We're thrilled to hear that you're enjoying the game! Your suggestion for adding Roulette is noted, and we'll consider it. Thank you for your feedback and continued support!

### 5/5 — Fun

*2024-04-12*

Quick easy play

**Developer response:** Thank you for the 5-star rating! We're glad you're enjoying the quick and easy gameplay. Good luck at the tables!

Best regards,
Octro Poker Support Team

## Frequently asked questions about Blackjack 21

### 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.

## Version history (last 5 releases)

### 4.67.0 — 2026-07-15

New Slot - Hot Hot Hot Chilies. 

Bugfixes and improvements.

### 4.66.0 — 2026-06-18

New Slot Game - Triple Cup Link

### 4.64.0 — 2026-05-12

New Slot Games. Bug fixes and improvements.

### 4.63.0 — 2026-04-06

Introducing a new slot game - Giant Jackpots. Climb your way up to the biggest wins!

This release also fixes some bugs and adds performance improvements.

### 4.62.4 — 2026-03-14

Introducing 2 new slots - Dollar Delight Jackpot and Pinball Blast. Update now to win big!

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## More apps by Octro, Inc.

- [Seep](https://appshunter.io/ios/app/seep/id535116158)
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- [Octro Indian Rummy](https://appshunter.io/ios/app/octro-indian-rummy/id577355241)
- [Teen Patti Octro 3 Patti Rummy](https://appshunter.io/ios/app/teen-patti-octro-3-patti-rummy/id653418482)
- [Octro Tambola Housie Online](https://appshunter.io/ios/app/octro-tambola-housie-online/id859156812)
- [Teen Patti Live!](https://appshunter.io/ios/app/teen-patti-live/id957326495)

All apps by Octro, Inc.: https://appshunter.io/developer/319494433

## Related topics

[octro poker](https://appshunter.io/ios/topics/octro-poker) · [octro](https://appshunter.io/ios/topics/octro)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-04.*