Comparison

Blackjack Trainer 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 Trainer

Master blackjack strategy and card counting with this comprehensive trainer. Learn optimal decisions, track your progress with detailed statistics, and build confidence for casino play. Practice anywhere with offline access and an engaging, ad-free experience.

Highlights
  • Learn basic strategy for all hands
  • Real-time decision hints and feedback
  • Track progress with detailed statistics
  • Realistic card dealing animations
  • Offline practice mode
  • Optional Pro upgrade
Features
Read full description

Master Blackjack Strategy and Card Counting with the Ultimate Training App Transform from a blackjack beginner to a strategy expert with our comprehensive blackjack trainer. Learn optimal basic strategy, track your progress, and build confidence before hitting the casino floor. Perfect Your Strategy • Learn mathematically proven basic strategy for every hand situation • Get real-time hints and feedback on your decisions • Practice hit, stand, double down, and split scenarios • Master both hard and soft hand strategies Track Your Progress • Detailed statistics showing your improvement over time • Achievement system to celebrate milestones • Identify your weakest hands and focus your practice • Monitor decision accuracy and win rates Engaging Training Experience • Realistic card dealing animations • Clean, professional interface • Multiple deck configurations (1-8 decks) • Quick Play mode for focused practice • Full hands mode for complete game experience Achievement System • Unlock achievements as you improve • Track perfect games and winning streaks • Strategy mastery badges for different hand types • Special achievements for dedicated players Key Features • No gambling - pure strategy training • Works offline - practice anywhere • Comprehensive statistics tracking • Professional card game experience • Free to play with optional Pro upgrade Whether you're a complete beginner or looking to sharpen your skills, this trainer provides everything you need to master blackjack basic strategy. Download now and start your journey to becoming a blackjack strategy expert! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://bjtrainer.co/privacy/

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

Blackjack Trainer4 screens
SimpleJack 214 screens

Verdict

The call

The clearest difference is rating: Blackjack Trainer at 4.9 against SimpleJack 21's 4.2. Blackjack Trainer also leads on ads (none vs shown) and update cadence (every 3 days vs fortnightly). SimpleJack 21's advantage is iOS requirement (15.1 vs 17.6). On price, ratings volume, in-app purchases and monetization model 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 Trainer sells 2 in-app purchases, starting at $3.99 per month 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 Trainer holds the better App Store score, 4.9 against 4.2. Both are backed by a comparable volume of ratings — 8 and 6 respectively.

UpkeepUpdate frequency

Blackjack Trainer ships an update every 3 days, SimpleJack 21 fortnightly. Both last shipped on October 28, 2026.

Scorecard4 real differences · 5 level
Blackjack Trainer versus SimpleJack 21: the parameters behind the verdict, then further details
ParameterBlackjack TrainerSimpleJack 21
PriceFreeFree
Rating4.9 (8 ratings) — better4.2 (6 ratings)
Number of ratings8 — better6
Update frequencyEvery 3 days — betterFortnightly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.1 — better
Further details — not scored
Size11 MB47 MB
Age rating4++17
DeveloperAdam McKerlieFIRST POINT YAZILIM LIMITED SIRKETI

Customer experience

Blackjack Trainer

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

SimpleJack 21

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

In-app purchases

2 purchases

Blackjack Trainer

Subscriptions2
  • Pro Monthly$3.991 Month
  • Pro Yearly$29.991 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 Trainer free?
Blackjack Trainer 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 Trainer or SimpleJack 21?
Blackjack Trainer is rated higher. Blackjack Trainer averages 4.9 out of 5 from 8 ratings, while SimpleJack 21 averages 4.2 from 6 ratings.
Do Blackjack Trainer or SimpleJack 21 have ads?
SimpleJack 21 shows ads; Blackjack Trainer does not.
Which is updated more often, Blackjack Trainer or SimpleJack 21?
Blackjack Trainer ships an update every 3 days, and SimpleJack 21 fortnightly. Most recently, Blackjack Trainer was updated on October 28, 2026 and SimpleJack 21 on October 28, 2026.

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