Comparison

Blackjack Trainer 101 vs Blackjack 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 101

This app is a practice tool designed to help users learn and master basic strategy for the card game Blackjack. It offers various training modes and customization options to improve decision-making in different scenarios. While it doesn't simulate a full game, it focuses on teaching optimal play.

Highlights
  • Four learning modes (random, soft, pairs, custom)
  • Customizable house rules (decks, soft 17, doubling, surrender)
  • Skill levels for focused practice
  • Interactive strategy guide
  • Hint button for strategic analysis
  • Left/right-handed layouts
Read full description

Blackjack Trainer 101 is a basic strategy trainer. NOTE: This is *not* a Blackjack game, it is a practice aid for learning basic strategy in Blackjack, and it assumes you already are familiar with the basic rules of the game.  Using this app will *not* guarantee winning in real play, but it will help you play the best possible strategies in any situation. Features: • Four learning modes: random hands, soft hands, pairs, and a custom mode: choose any combination of hands to practice (requires paid upgrade). • Customize the house rules: number of decks in the shoe, hit vs. stand on soft 17, doubling rules and surrender • Skill levels: Higher levels concentrate your training on the harder-to-memorize hands • Strategy guide shows all the best moves and highlights the strategy for the current hand and dealer card • Hint button shows a strategic analysis of the current hand • Left-handed and right-handed playing layouts • Many different rule configurations (1-4 decks, dealer hits/stays on soft 17, double after split, early/late surrender)

About

Blackjack 21

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.

Highlights
  • Practice real blackjack decisions
  • Get instant feedback on moves
  • View adaptive basic strategy table
  • Learn professional playing techniques
  • No money or card counting involved
Features
Read full description

Make Better Decisions at the Blackjack Table Learn exactly when to Hit, Stand, Split, Double or Surrender - and why. Blackjack 21: Strategy Trainer is your personal guide to basic strategy. It teaches you the fundamentals through real hands and instant feedback ⋄ Practice Real Blackjack Decisions Hit, Stand, Split, Double or Surrender — train your choices on realistic hands. ⋄ Get Instant Feedback See if your move matches basic strategy, and understand why it was right or wrong. ⋄ View the Basic Strategy Table Access a full strategy chart that adapts to your selected house rules. ⋄ Learn to Play Like a Professional Build confidence and make better decisions through structured practice. ⋄ No Money, No Counting, No Distractions This is a Blackjack training app, not a game. There’s no simulated or real money, and no card counting involved. ___________________________ What Users Say ⋆⋆⋆⋆⋆ "I finally know when to double or surrender. Love having the strategy table in my pocket." ⋆⋆⋆⋆⋆ "This really helped me understand the game and make better decisions." ⋆⋆⋆⋆⋆ "I use it before every casino trip – best blackjack training app out there!" ___________________________ Terms: www.bjt.app/terms-of-use Privacy: www.bjt.app/privacy-policy

Screenshots

Blackjack Trainer 1014 screens
Blackjack 214 screens

Verdict

The call

Blackjack Trainer 101 and Blackjack 21 both sit at 4.8 stars, but that hides the real split: 93% of Blackjack Trainer 101's written reviews are positive against 55% of Blackjack 21's. Blackjack 21's advantage is ads (none vs shown) and chart position (#155 vs unranked). On price, rating, ratings volume and update cadence 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 101 sells 1 one-off in-app purchase and Blackjack 21 sells 12 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Blackjack Trainer 101 against 4.7 for Blackjack 21. Both are backed by a comparable volume of ratings — 6.9K and 5.7K respectively. Written reviews are what separate them: 93% of Blackjack Trainer 101's written reviews are positive against 55% of Blackjack 21's.

UpkeepUpdate frequency

Blackjack Trainer 101 ships an update every 3 weeks, Blackjack 21 fortnightly. Both last shipped on November 1, 2026.

Scorecard3 real differences · 8 level
Blackjack Trainer 101 versus Blackjack 21: the parameters behind the verdict, then further details
ParameterBlackjack Trainer 101Blackjack 21
PriceFreeFree
Rating4.8 (6.9K ratings) — better4.7 (5.7K ratings)
Positive reviews92.9% of reviews — better54.9% of reviews
Number of ratings6.9K — better5.7K
Update frequencyEvery 3 weeksFortnightly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank—#155 — better
DevicesiPhoneiPhone, iPad — better
Requires iOS16.016.0
Further details — not scored
Size17 MB69 MB
Age rating17+12+
DeveloperDavid RichmondBlackJack Trainer 21 Training AG

Customer experience

Blackjack Trainer 101

All ratings6,766 ratings
Positive95.9%
Neutral2.8%
Negative1.2%
Written reviews169 reviews
Positive92.9%
Neutral2.4%
Negative4.7%

Blackjack 21

All ratings5,661 ratings
Positive92.7%
Neutral3.5%
Negative3.8%
Written reviews224 reviews
Positive54.9%
Neutral11.6%
Negative33.5%

User reviews

Blackjack Trainer 101

From 6.9K App Store ratings

What we love

  • 👍 Crisp and clean design
  • 👍 Excellent for practicing basic strategy
  • 👍 User-friendly interface
  • 👍 Customizable game rules
  • 👍 Helpful hints and feedback

Room to improve

  • 🐛 Some issues with basic strategy recommendations
  • 🔊 Inability to adjust volume
  • 🔚 Truncated hands after splitting
  • 🔍 Lack of full hand history and dealer's final hand

Blackjack 21

From 5.7K App Store ratings

What we love

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

Room to improve

  • 🐛 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

Bugs and requests

Blackjack Trainer 101

Reported bugs

2 issues
  • Occasional crashes or performance issues
  • Discrepancies in basic strategy recommendations

Requested features

3 requests
  • Option to play out split hands
  • Ability to adjust volume
  • Inclusion of full hand history and dealer's final hand

Blackjack 21

Reported bugs

4 issues
  • Incorrect basic strategy recommendations
  • Freezing and crashing issues
  • Incompatibility with certain devices
  • Subscription issues and unexpected charges

Requested features

6 requests
  • Allow continuing hands beyond initial deal
  • Provide explanations for correct/incorrect moves
  • Incorporate card counting and strategy deviations
  • Customize settings to match casino rules
  • Reset weakest hands chart
Show 1 more
  • Add betting options and player profiles

In-app purchases

1 purchases

Blackjack Trainer 101

One-time1
  • BlackJack 101 Upgrade to Pro$2.99
12 purchases

Blackjack 21

Subscriptions8
  • All PRO features - monthly$4.991 Month
  • Flash Sale! PRO - monthly1 Month trial$7.991 Month
  • All PRO features - monthly$7.991 Month
Show 5 more
  • All PRO features - monthly$8.991 Month
  • All PRO features - yearly7 Days trial$23.901 Year
  • All PRO features - yearly3 Days trial2 variants$23.991 Year
  • All PRO features - annually3 Days trial$23.991 Year
  • Flash Sale! PRO - yearly1 Year trial$24.991 Year
One-time4
  • Pair Practice Mode$1.99
  • Soft Hand Training Mode$1.99
  • Custom Table Settings$1.99
Show 1 more
  • All PRO features - lifetime$49.99

Questions

Is Blackjack Trainer 101 free?
Blackjack Trainer 101 is free to download, with in-app purchases available.
Is Blackjack 21 free?
Blackjack 21 is free to download, with in-app purchases available.
Which has better reviews, Blackjack Trainer 101 or Blackjack 21?
Blackjack Trainer 101 is rated higher. Blackjack Trainer 101 averages 4.8 out of 5 from 6.9K ratings, while Blackjack 21 averages 4.7 from 5.7K ratings.
Do Blackjack Trainer 101 or Blackjack 21 have ads?
Blackjack Trainer 101 shows ads; Blackjack 21 does not.
Which is updated more often, Blackjack Trainer 101 or Blackjack 21?
Blackjack Trainer 101 ships an update every 3 weeks, and Blackjack 21 fortnightly. Most recently, Blackjack Trainer 101 was updated on November 1, 2026 and Blackjack 21 on November 1, 2026.

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