Comparison

KO Blackjack Card Counting vs Blackjack

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

KO Blackjack Card Counting

Master card counting strategies for Blackjack with this comprehensive trainer. Practice with various drills, customize strategies, and simulate thousands of hands to perfect your game.

Highlights
  • Multiple training modules
  • Supports KO, OK, reKO strategies
  • Customizable card count values
  • Editable strategy charts
  • Basic strategy drills
  • Running count drills
  • Deviation drills
  • Table game simulation
Features
Read full description

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.

About

Blackjack

Master blackjack strategy and card counting with progressive lessons and real-time feedback. Learn to calculate house edge and make mathematically correct plays to beat the dealer.

Highlights
  • 18 progressive strategy lessons
  • Full Hi-Lo card counting course
  • EV calculator for house edge analysis
  • Real-time feedback on every hand
  • Realistic casino gameplay simulation
  • Detailed progress tracking
Features
Read full description

Win blackjack with math, not luck. ** 18 progressive lessons. A full Hi-Lo card counting course. An EV calculator that shows your exact house edge. Real-time feedback on every hand. This is the structured training system that turns beginners into confident, skilled players. 18 PROGRESSIVE STRATEGY LESSONS Not random flashcards — a real curriculum. Start with hard totals, progress through soft hands and pair splitting, and unlock advanced play as your accuracy improves. Every lesson includes strategy charts, detailed explanations, and requires 90% accuracy to advance. You'll know the mathematically correct play for every possible hand. COMPLETE CARD COUNTING COURSE Learn the Hi-Lo system — the same method used by professional advantage players and made famous by the MIT Blackjack Team. Start with 1-deck running count fundamentals and progress to 6-deck true count conversion at full casino speed. Cards come faster at every level, you enter your count after each round for instant feedback, and accuracy tracking helps you build speed without sacrificing precision. THE ILLUSTRIOUS 18 DEVIATIONS Go beyond basic strategy. Learn the 18 count-dependent plays that give you the biggest edge over the house. Most trainers stop at basic strategy — this is where serious players separate themselves. EV CALCULATOR & HOUSE EDGE ANALYSIS Check the exact house edge before you sit down at any table. Input the casino's specific rules and see your expected value. Know whether a game is worth playing before you risk a single dollar. Few blackjack apps offer this — none at this level. HANDS-ON PRACTICE DRILLS Every strategy lesson drills you on real decisions: see your hand and the dealer's up card, then choose Hit, Stand, Double, or Split. Card counting drills run from 1 deck to 8 decks across Easy, Medium, Hard, and Expert, with faster cards at each level and true count questions once there's more than one deck. Blitz (Pro) deals 40 cards at the fastest speed. Multi-table drills deal several hands at each table so you learn to keep the count when the action gets busy. Deviation practice shows you a hand and a true count and asks for the right play. TRACK YOUR PROGRESS See your accuracy for every lesson, your best score at each counting level, and a progress bar for the full course. The numbers don't lie — you'll see the difference after your first week. PRO Some features require PRO subscription. - Structured progression — not random practice, a real learning path - Instant feedback — know if you played correctly and why - Works offline — train on the plane to Vegas - Premium casino-themed design Whether you're preparing for your first casino trip or sharpening your edge for the next one, this is the training system that gets you there. Download now. Your first lesson takes 5 minutes. Terms of Service/EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

KO Blackjack Card Counting4 screens
Blackjack4 screens

Verdict

The call

The clearest difference is price: Blackjack at Free against KO Blackjack Card Counting's $14.99. Blackjack also leads on rating (4.5 vs 3.8) and review sentiment (67% vs 50%). KO Blackjack Card Counting's advantage is in-app purchases (none vs 3) and chart position (#22 vs unranked). On ratings volume, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Blackjack is free to download; KO Blackjack Card Counting costs $14.99 up front. Blackjack sells 3 in-app purchases, starting at $1.99 per 7 days. KO Blackjack Card Counting asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Blackjack holds the better App Store score, 4.5 against 3.8. Both are backed by a comparable volume of ratings — 6 and 13 respectively. Written reviews point the same way: 50% of KO Blackjack Card Counting's written reviews are positive against 67% of Blackjack's.

UpkeepUpdate frequency

KO Blackjack Card Counting ships an update monthly, Blackjack fortnightly. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

Scorecard6 real differences · 5 level
KO Blackjack Card Counting versus Blackjack: the parameters behind the verdict, then further details
ParameterKO Blackjack Card CountingBlackjack
Price$14.99Free — better
Rating3.8 (6 ratings)4.5 (13 ratings) — better
Positive reviews50.0% of reviews66.7% of reviews — better
Number of ratings613 — better
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank#22 — better—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size39 MB27 MB
Age rating12+4+
DeveloperDouble Down SoftwareRobin Kanatzar

Customer experience

KO Blackjack Card Counting

All ratings6 ratings
Positive66.7%
Neutral16.7%
Negative16.7%
Written reviews4 reviews
Positive50.0%
Neutral25.0%
Negative25.0%

Blackjack

All ratings13 ratings
Positive84.6%
Neutral7.7%
Negative7.7%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

In-app purchases

None

KO Blackjack Card Counting

No in-app purchases

3 purchases

Blackjack

Subscriptions3
  • Pro Weekly3 Days trial$1.997 Days
  • Pro Monthly3 Days trial$3.991 Month
  • Pro$12.991 Year

Questions

Is KO Blackjack Card Counting free?
KO Blackjack Card Counting costs $14.99, with no in-app purchases.
Is Blackjack free?
Blackjack is free to download, with in-app purchases available.
Which has better reviews, KO Blackjack Card Counting or Blackjack?
Blackjack is rated higher. KO Blackjack Card Counting averages 3.8 out of 5 from 6 ratings, while Blackjack averages 4.5 from 13 ratings.
Do KO Blackjack Card Counting or Blackjack have ads?
Neither KO Blackjack Card Counting nor Blackjack shows ads.
Which is updated more often, KO Blackjack Card Counting or Blackjack?
KO Blackjack Card Counting ships an update monthly, and Blackjack fortnightly. Most recently, KO Blackjack Card Counting was updated on October 30, 2026 and Blackjack on October 28, 2026.

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