# Dojo 21 — Blackjack Strategy Trainer

> Blackjack basic strategy trainer with progress tracking and educational features. (iPhone/iPad app by Vincent Dondain.)

- Source: https://appshunter.io/ios/app/dojo-21/id6761881001 (this page in markdown: same URL + `.md`)
- Developer: [Vincent Dondain](https://appshunter.io/developer/1055704794)
- Category: Games, Education, Card, Casino
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 26.3 · 7 MB
- Languages: English
- Released: 2026-04-09
- Data updated: 2026-06-29
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/dojo-21/id6761881001/reviews.md

## What is Dojo 21?

Dojo 21 is a blackjack strategy trainer — not a gambling app. Practice basic strategy with simulated hands and track your accuracy over time. No real money. No wagering. No casino.

Learn the mathematically optimal play for every hand scenario through repetition and instant feedback. Dojo 21 tracks your decisions, highlights mistakes, and helps you build muscle memory for the blackjack table.

TRAIN LIKE A PRO
Every hand shows you the correct basic strategy decision — hit, stand, double down, or split. Get real-time feedback so you learn from mistakes as you go.

TRACK YOUR PROGRESS
- Accuracy percentage across all sessions
- Lifetime stats and readiness score
- Session summaries with detailed breakdowns
- Milestone achievements to mark your improvement

REALISTIC TABLE SETTINGS
Choose from multiple table configurations with different rule sets — dealer hits or stands on soft 17, blackjack payout ratios, and more. Practice under the conditions you'll actually face.

BUILT-IN REFERENCE
Pull up the full basic strategy cheat sheet anytime. Educational panels explain the "why" behind every play, so you're not just memorizing — you're understanding.

FEATURES
- Full basic strategy training for hard, soft, and pair hands
- Real-time feedback on every decision
- Multiple table configurations with different house rules
- Session summaries with accuracy breakdowns
- Lifetime stats and readiness score tracking
- Milestone achievements to mark your progress
- Built-in strategy cheat sheet
- Educational panels explaining the math behind each play

Whether you're a complete beginner learning the basics or an experienced player sharpening your edge before your next trip, Dojo 21 gives you the reps to play with confidence.

## Key features

- Basic strategy training for all hand types
- Real-time decision feedback
- Multiple table configurations
- Session accuracy breakdowns
- Lifetime stats and readiness score
- Built-in strategy cheat sheet
- Educational panels on strategy

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/dojo-21/id6761881001/reviews.md

### 5/5 — Amazing!!

*2026-04-16*

Best app ever to blackjack

## Frequently asked questions about Dojo 21

### Is Dojo 21 a gambling app?

No, Dojo 21 is a blackjack strategy trainer and not a gambling app. It does not involve real money, wagering, or casino play. The focus is purely on practicing and learning basic strategy.

### Does Dojo 21 have ads?

Dojo 21 is ad-free, allowing for an uninterrupted training experience. You can focus on learning and practicing blackjack strategy without any advertisements.

### What devices does Dojo 21 support?

Dojo 21 is currently supported on iPhone devices. Future updates may expand compatibility to other platforms.

### How often is Dojo 21 updated?

The app was last updated on April 13, 2026, indicating active development and potential for future improvements and feature additions.

### Can I play Dojo 21 offline?

The provided description does not specify offline play capabilities for Dojo 21. It is recommended to check within the app or developer notes for confirmation.

### What are the age restrictions for Dojo 21?

Dojo 21 has an age rating of 4+, making it suitable for a wide range of users interested in learning blackjack strategy.

### How does Dojo 21 track progress?

Dojo 21 tracks your accuracy percentage across all sessions, provides lifetime stats and a readiness score, and offers session summaries with detailed breakdowns. Milestone achievements are also included to mark your improvement.

### What are the different table configurations in Dojo 21?

Dojo 21 allows you to choose from multiple table configurations with different rule sets. This includes options for whether the dealer hits or stands on soft 17, and different blackjack payout ratios.

## Version history (last 2 releases)

### 1.1 — 2026-04-13

- New milestones strip on the home screen — see every achievement at a glance and tap to jump straight to the milestones page
- Your current perfect-call streak now shows on the home screen so you know what's on the line before you sit down
- Reaching 21 now automatically ends your turn — no more pointless prompts on a perfect total, including across split hands
- Card animations are smoother and faster, and no longer race or overlap each other
- Fixed the dealer's hole card flip showing the card front on both sides instead of revealing from the back
- Playing Dojo 21 no longer interrupts your music — Spotify, Apple Music, and podcasts keep playing, and the win sound (when enabled) layers on top instead of taking over
- The win celebration sound is now off by default and can be toggled in Settings
- The end-of-session review button now reads "Done" instead of "New Session"
- Now requires iOS 26.3 for better performance and reliability

### 1.0 — 2026-04-09

No release notes.

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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 2026-06-29.*