Comparison

Blackjack vs SimpleJack 21

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

Head to head
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/

About

SimpleJack 21

Practice your blackjack strategy with a modern, minimalist simulator. Enjoy realistic gameplay, offline play, and unlockable customizations. Perfect for beginners and experts alike to hone their card skills.

Highlights
  • Offline gameplay
  • Realistic 6-deck system
  • Progression and customization
  • Cryptographic RNG for fair play
  • Minimalist design
Features
Read full description

SimpleJack 21: Modern Card Game Experience Experience the timeless strategy of blackjack with a modern, minimalist twist. SimpleJack 21 is a premium simulator designed for those who appreciate clean design and authentic table gameplay. Whether you are a beginner looking for a trainer to learn the ropes, or an expert sharpening your card skills, SimpleJack 21 offers a polished environment to practice your strategy and have fun. Why Choose SimpleJack 21? • Play Offline with Remove Ads: Offline play is included with the Remove Ads in-app purchase, so you can hone your strategy without an internet connection, wherever you go. • Pure Strategy: Enjoy a realistic simulation using a standard 6-deck system and professional dealer rules. Perfect your timing on when to hit, stand, or double down. • Progression & Customization: Unlock unique table themes and beautiful card designs as you advance. Personalize your experience with a variety of modern, minimalist aesthetics. • Fair Play: Every hand is dealt using a cryptographic random number generator for a truly unpredictable and authentic experience. How to Play: The goal is simple: beat the dealer by getting a hand value as close to 21 as possible without going over. Use your skills to decide the best mathematical move in every scenario. Disclaimer: SimpleJack 21 is a simulation intended for an adult audience (18+) for entertainment purposes only. This app does not offer real money gambling, wagering, or the opportunity to win real money or physical prizes. All in-game currency is strictly virtual and has no real-world monetary value. Practice or success at social simulation gaming does not imply future success at real money gambling. For more information, please visit our legal pages: Privacy Policy: https://firstpoint.com.tr/sj/ios/privacy-policy.html Terms of Service: https://firstpoint.com.tr/sj/ios/terms-and-conditions.html

Screenshots

Blackjack4 screens
SimpleJack 214 screens

Verdict

The call

The clearest difference is ads: Blackjack at none against SimpleJack 21's shown. Blackjack also leads on rating (4.5 vs 4.2). SimpleJack 21's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ratings volume, update cadence and in-app purchases 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

Both are free to download. Blackjack sells 3 in-app purchases, starting at $1.99 per 7 days and SimpleJack 21 sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Blackjack holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 13 and 6 respectively.

UpkeepUpdate frequency

Blackjack ships an update every 2 weeks, SimpleJack 21 fortnightly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
Blackjack versus SimpleJack 21: the parameters behind the verdict, then further details
ParameterBlackjackSimpleJack 21
PriceFreeFree
Rating4.5 (13 ratings) — better4.2 (6 ratings)
Positive reviews66.7% of reviews—
Number of ratings13 — better6
Update frequencyEvery 2 weeksFortnightly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size26 MB47 MB
Age rating4++17
DeveloperRobin KanatzarFIRST POINT YAZILIM LIMITED SIRKETI

Customer experience

Blackjack

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

SimpleJack 21

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%

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
10 purchases

SimpleJack 21

One-time10
  • 5k Coins$0.99
  • Welcome Pack$1.99
  • 18k Coins$2.99
Show 7 more
  • Remove Ads$3.99
  • Welcome Pack Pro$4.99
  • 65k Coins$6.99
  • Summer Play Pass$9.99
  • 225k Coins$14.99
  • 750k Coins$29.99
  • 2.5m Coins$59.99

Questions

Is Blackjack free?
Blackjack is free to download, with in-app purchases available.
Is SimpleJack 21 free?
SimpleJack 21 is free to download, with in-app purchases available.
Which has better reviews, Blackjack or SimpleJack 21?
Blackjack is rated higher. Blackjack averages 4.5 out of 5 from 13 ratings, while SimpleJack 21 averages 4.2 from 6 ratings.
Do Blackjack or SimpleJack 21 have ads?
SimpleJack 21 shows ads; Blackjack does not.
Which is updated more often, Blackjack or SimpleJack 21?
Blackjack ships an update every 2 weeks, and SimpleJack 21 fortnightly. Most recently, Blackjack was updated on October 26, 2026 and SimpleJack 21 on October 25, 2026.

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