Blackjack 21 - Basic Strategy
Blackjack 21 - Basic Strategy is #128 in Games › Card Paid in South Korea and charting in 1 of 24 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperDouble Down Software
CategoryGames
Price17,000 KRW
Released
Rating★ 0.0 (0)
Version1.0
Age rating4+
First seen by us
27 Sep 2026
27 Sep 2026Rating
0.0 ★
0 ratings
Measured
Best rank now
#128
Games › Card PaidMeasured
Blackjack 21 - Basic Strategy on the App Store
App details
App ID
6477749240
Publisher
Double Down Software
Content rating
4+
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| South Korea | Games › CardPaid | #128 |
Apps near Blackjack 21 - Basic Strategy on the chart
Games › Card Paid, around #128.
Ratings
App Store, worldwide.
Rating
0.0 ★
0 ratings
Measured
Ratings
0
Measured
About Blackjack 21 - Basic Strategy
Designed as a serious basic strategy practice tool for novices and pros, and playable as a Blackjack game.
App includes four training modules:
+ Table Game. Simulates a real Blackjack game. Feedback on play mistakes. Play one or two spots, plus a computer player ghost hand in portrait mode. Assign up to five seats in landscape mode. Landscape mode is a more accurate simulation, while portrait mode is designed for limited screen width. Input made with hand gestures or buttons. Settings: Table Orientation, Spot Assignments, Ghost Hand, Show Discard Tray, Dealer Hits Soft 17, Surrender, Double After Split, Resplit Aces, ENHC, Number of Decks, Penetration, Notify on Mistake, Place Bets, Deal Speed.
+Flashcard Drill. Make the correct action for the cards dealt. Hands are not thrown at you randomly. More difficult hands are presented more often. You can be drilled on three and four-card hands, which are more difficult than two-card hands. Settings for: Dealer hits soft 17, Surrender, Double after split, Pair hands, Soft hands, Hard hands, 2-3-4 card hands, Feedback for mistakes only, Hide accuracy and speed gauges.
+Chart Quiz. Test your chart memory. Fill in the blank chart quiz for hard totals, soft totals, pairs, and surrender.
+Chart Review. Makes it easy to study the basic strategy charts. Includes two sets of charts: 1) Dealer stands on soft 17, and 2) Dealer hits on soft 17. Individual charts for hard totals, soft totals, pair splitting, and surrender. Edit the charts to whatever you want.
+ Start simple and add more and more complexity at your pace.
+ Immediate feedback on play mistakes.
+ Lots of settings and configuration.
+ Available on iPhone, iPad, and Mac.
App includes four training modules:
+ Table Game. Simulates a real Blackjack game. Feedback on play mistakes. Play one or two spots, plus a computer player ghost hand in portrait mode. Assign up to five seats in landscape mode. Landscape mode is a more accurate simulation, while portrait mode is designed for limited screen width. Input made with hand gestures or buttons. Settings: Table Orientation, Spot Assignments, Ghost Hand, Show Discard Tray, Dealer Hits Soft 17, Surrender, Double After Split, Resplit Aces, ENHC, Number of Decks, Penetration, Notify on Mistake, Place Bets, Deal Speed.
+Flashcard Drill. Make the correct action for the cards dealt. Hands are not thrown at you randomly. More difficult hands are presented more often. You can be drilled on three and four-card hands, which are more difficult than two-card hands. Settings for: Dealer hits soft 17, Surrender, Double after split, Pair hands, Soft hands, Hard hands, 2-3-4 card hands, Feedback for mistakes only, Hide accuracy and speed gauges.
+Chart Quiz. Test your chart memory. Fill in the blank chart quiz for hard totals, soft totals, pairs, and surrender.
+Chart Review. Makes it easy to study the basic strategy charts. Includes two sets of charts: 1) Dealer stands on soft 17, and 2) Dealer hits on soft 17. Individual charts for hard totals, soft totals, pair splitting, and surrender. Edit the charts to whatever you want.
+ Start simple and add more and more complexity at your pace.
+ Immediate feedback on play mistakes.
+ Lots of settings and configuration.
+ Available on iPhone, iPad, and Mac.
Latest updates
1.0
