---
title: "Blackjack 21: Octro Black jack — App Overview"
url: https://marlvel.ai/intel-report/games/blackjack-21-octro-black-jack
category: Games
developer: Octro, Inc.
platforms: ios, android
rating: 4.7 (1.3K ratings)
pricing: freemium
report_level: overview
generated: 2026-04-17
last_verified: "2026-04-17T13:05:10.548Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While the app offers a 3D casino experience, recent user feedback highlights significant technical instability and concerns regarding account balance accuracy.

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| Metric | Value |
|--------|-------|
| Category | Games |
| Rating | 4.7 ★ (1.3K) |
| Pricing | freemium |
| Platforms | iOS, Android |
| Latest Version (iOS) | 4.63.0 |
| Latest Version (Android) | 4.63.1 |
| Developer | Octro, Inc. |

<!-- SECTION: Summary -->
## What is Blackjack 21: Octro Black jack?

Octro Blackjack is a 3D mobile casino game that simulates traditional blackjack against a dealer. It targets players looking for an authentic casino experience with strategic card gameplay and visual immersion.

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## Key Features

- **3D Casino Environment**: Provides an immersive, lifelike visual experience designed to replicate a real-world casino atmosphere.
- **Daily Free Chips**: Offers a recurring incentive for players to return to the game by providing free chips on a daily basis.
- **Dealer Competition**: Core gameplay loop focuses on outsmarting the dealer to win chips and increase stakes.

<!-- SECTION: Target Audience -->
## Who is it for?

Casual mobile gamers interested in digital casino and card games.

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## Links

- [App Store](https://apps.apple.com/us/app/blackjack-21-octro-black-jack/id6446476724?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=com.octro.blackjack&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/games/blackjack-21-octro-black-jack)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/games/blackjack-21-octro-black-jack).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*