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Blackjack 21: Strategy Trainer

Blackjack 21: Strategy Trainer

Train Real Casino Situations

5.7K ratings
224 reviews
#162 in free Casino
🎮 Games
🎰 Casino
Free
In-App Purchases

Details

Released
February 10, 2013
Updated
October 5, 2026

Features

Developer

BlackJack Trainer 21 Training AG
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iphone
ipad
🧾$1.99 - $49.99
In-App Purchase↘︎
📈no. 162
Charts↘︎
📌Ready
Reviews summary↘︎
⭐224
Reviews↘︎
📝31+ tags
Tags↘︎
🔄6+ apps
Alternatives↘︎
❓5 answered
FAQ↘︎
📦~ in 2 weeks
Updates frequency↘︎
🖼️Get Icon
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About

Master blackjack with this strategy trainer. Learn optimal decisions for hitting, standing, splitting, doubling, and surrendering through realistic hands and instant feedback. Improve your confidence and decision-making at the table without any real money or distractions.

✓Practice real blackjack decisions
✓Get instant feedback on moves
✓View adaptive basic strategy table
✓Learn professional playing techniques
✓No money or card counting involved
Show original description

What users say about Blackjack 21

Reviews of Blackjack 21 are mixed: the game is rated 4.7/5 from 5.7K App Store ratings. What users like most: great training, helpful for practicing basic strategy. Top complaints: buggy with pop-ups and crashes, subscription model for full functionality. Summarized from real user reviews.

Positive things

  • 🚀Great training
  • 👍Helpful for practicing basic strategy
  • 👍Solid interface
  • 👍Detailed feedback
  • 👍Easy to use UI
  • 👍Excellent for learning basic strategy

Negative things

  • 🐛Buggy with pop-ups and crashes
  • 🔒Subscription model for full functionality
  • 🔒Paywall for advanced features
  • 👎Lacks explanation for correct/incorrect moves
  • 👎Inaccurate basic strategy recommendations
  • 👎Limited free version
See all reviews

What's New in Blackjack 21

3.3.0

October 5, 2026

We’ve implemented under-the-hood optimizations and visual refinements to ensure your strategy training remains smooth and precise. Good luck at the tables!

More
3

Subscriptions & In-App Purchases

All PRO features - yearly

Enable all features and pratice modes

$23.901 Year
7 Days trial
Price Updates
November 1, 2026→$23.90
December 9, 2025→$23.95
October 28, 2025→$23.99
December 22, 2024→$24.99
How to cancel Blackjack 21 subscription ⁉️

Charts

Top Free

📈 162+11

Casino games

This game rose +11 positions in Casino games chart.

Last updated on November 3, 2026.

Top Grossing

📉 184-13

Casino games

This game dropped -13 positions in Casino games chart.

Last updated on November 3, 2026.

User reviews

Most RecentHighest RatedLowest Rated

App Review

Amazing App!
PSPerfect Strategy

Very helpful to develop quick thinking play

It is exactly what the app says it is with no extra fluff
UUrstrulyhd

Unauthorized Charges

I have received a few unauthorized transaction none of which I actually purchased. I need to speak with employee.
SMsickle mess

Super nice

The app is well made and you learn quick
Ddarkmagician0347

Definitely improving my game

No better way to learn than to make mistakes and see what you did wrong. Repetition is the key here. The more I play the more automatic my responses become.
SSmarterthandog
See 219 more reviews

Developer apps

Black Jack Trainer Masterclass
Black Jack Trainer Masterclass

NeverSplit10s BlackJack Course

🌟 Lifestyle

(39)

Free
In-App Purchases
See developer apps

User experience

🐞

Reported Bugs

4 issues

Incorrect basic strategy recommendations

Bug

Freezing and crashing issues

Bug

Incompatibility with certain devices

Bug

Subscription issues and unexpected charges

Bug
✨

Requested Features

6 requests

Allow continuing hands beyond initial deal

Feature

Provide explanations for correct/incorrect moves

Feature

Incorporate card counting and strategy deviations

Feature

Customize settings to match casino rules

Feature

Reset weakest hands chart

Feature

Add betting options and player profiles

Feature

FAQ

What does Blackjack 21: Strategy Trainer do?

This app helps you make better decisions at the blackjack table by teaching you basic strategy. It provides practice with realistic hands and instant feedback on whether your choices to Hit, Stand, Split, Double, or Surrender are correct according to optimal play.

What are the key features of this blackjack app?

Key features include practicing real blackjack decisions on realistic hands, receiving instant feedback on your moves, accessing a strategy table that adapts to house rules, and learning to play like a professional. It specifically avoids real money, card counting, and distractions.

Is this app free to use?

The app is free to download and use, offering core training features. It also includes in-app purchases, which may unlock additional content or features for users who wish to enhance their training experience further.

Who is this app for?

This app is designed for anyone looking to improve their blackjack skills, from beginners wanting to learn the fundamentals to experienced players aiming to refine their strategy. It's ideal for those who want to make more informed decisions when playing blackjack in a casino or other settings.

Can I practice card counting with this app?

No, this app is strictly a strategy trainer and does not involve card counting. It focuses solely on teaching you the correct decisions for hitting, standing, splitting, doubling, and surrendering based on basic strategy principles.