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App Store Apps > Games > Casino Games > KO Blackjack Card Counting
KO Blackjack Card Counting icon

KO Blackjack Card Counting

by Double Down Software · Games · $14.99
On the App Store since January 2025 · Data updated 2026-10-30

KO Blackjack Card Counting is made and published by Double Down Software. AppBrain is an independent app data site and isn't affiliated with Double Down Software. The app name, icon, screenshots and description belong to Double Down Software and are shown as published on the App Store.

AppBrain's verdict

Rating on App Store
3.83
6 ratings
Last updated
March 6, 2025
Size
38.5 MB

It doesn't have enough ratings yet to judge what users think. Its best ranking is #71 in Top Paid, Casino Games in Brazil.

Official page on the App Store

User feedback

Ratings and reviews on the App Store

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Store listing

By Double Down Software, from the App Store
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Screenshots by Double Down Software, from the the App Store listing
Description by Double Down Software Written by the developer, not by AppBrain. Click to read.
Designed as a serious practice tool for novices and pros, and playable as a Blackjack game. Supports unbalanced (no true count) strategies like KO, OK, and reKO.

Includes 11 training modules: table game, 1 basic strategy drill, 2 deviation drills, 3 running count drills, chart review, chart quiz, test out, and simulator.

Supported Strategies: Presets for KO, OK, reKO. Configure the card count values (tags), insurance indexes, initial running count (1 to 8 decks), betting ramp (-7 to +8 running count), chart indexes. Separate charts for hard 17 and soft 17. Charts are 100% editable. Preset for 6 deck game. Modify however you'd like for any deck size.

*** Module Details ***

+ Basic Strategy Flashcard Drill. Select the correct action for the dealt hand. Settings: Deals hits soft 17, Surrender, Double after split, Pair hands, Soft hands, Hard hands, Deal 2, 3, and 4 card hands, Feedback for mistakes only, Hide Gauges (accuracy and speed).

+ Running Count Drills. Three drills. Count the cards dealt to you in various ways. Settings: Initial Running Count, Deal Speed, Number of Cards, Deal in Pairs, Number of Stacks, Orientation, Number of Seats, Bot Ghost Hand, Ask for running count interval.

+ Deviation Flashcard Drills. Two drills. Choose the right deviation for the cards dealt, and pick the right action given a true count. Settings: Deals hits soft 17, Surrender, Pair hands, Soft hands, Hard hands, 2-3-4 card hands, Feedback for mistakes only.

+ Charts Review and Edit. View charts for basic strategy and deviations. Edit any value in the chart. Two sets of charts for dealer stands or hits soft 17. Separate charts for pairs, hard hands, soft hands, and surrender.

+ Charts Quiz. Fill-in-the-blank quizzes for all charts.

+ Table Game. Perfect your skills at the table. Feedback on mistakes. Simulates a real Blackjack game. Assign one up to seven spots to yourself or the computer. Dealer speed is adjustable. Settings include: Vertical/Horizontal Orientation, Spot Assignments, Ghost Hand, Show Discard Tray, Dealer Hits Soft 17, Surrender, Double After Split, Resplitting Aces, ENHC, Number of Decks, Penetration, Notify on Mistake, Use Deviations, Ask for true count interval, Positive Count Bias, Place Bets, Deal Speed.

+ Simulator. Run up to 25,000 hands per second (iPhone 15). Analyze performance of different strategies, table rules, player level, etc. Stats on gains, hourly rate, edge, risk of ruin, and much more.

+ Test out: Reports your accuracy and mistakes at the end of the last shoe. Tests basic strategy, deviations, betting, insurance, and counting. Settings: Dealer hits soft 17, Surrender, Double After Split, Resplitting Aces, ENHC, Number of Decks, Penetration, Number of Shoes, Use Deviations, Deal Speed.
Official page on the App Store

Safety and technology

Found in the app by AppBrain
Price
$14.99
App size
38.5 MB
Content rating
Medium

Technologies used by KO Blackjack Card Counting

Releases

Updates seen on the App Store
Version
1.2
Launched
January 2025

No changelog data

Alternatives

Similar apps and more from Double Down Software

More from Double Down Software

Blackjack Card Counting Pro icon Blackjack Card Counting Pro
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4.3
$19.99
9 ratings
Blackjack - Simulator icon Blackjack - Simulator
Double Down Software
3.0
$9.99
2 ratings

Rankings

App Store top charts
Highest rank
#71
Chart
Top Paid
Casino Games
Country
Brazil

App Store Rankings for KO Blackjack Card Counting

Top rankings

Rank Country Category List
83 Canada Casino Games Top Paid
71 Brazil Casino Games Top Paid
78 Spain Casino Games Top Paid

Ranking history in Canada

About the app and developer

About KO Blackjack Card Counting

KO Blackjack Card Counting is a games app developed by Double Down Software.

What is the rating of KO Blackjack Card Counting?

KO Blackjack Card Counting is rated 3.83 out of 5 stars, based on 6 ratings.

Is KO Blackjack Card Counting free?

KO Blackjack Card Counting costs $14.99. The app size is 38.54 MB. The latest version available is 1.2. The last update was on March 6, 2025.

What are the requirements for KO Blackjack Card Counting?

The app has a content rating of Medium Maturity. The app has been available on the App Store since January 2025.

Developer information for Double Down Software

Double Down Software

Address:

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