Blackjack Strategy Trainer 21
블랙잭 전략 트레이너 21
30 days old
Not in any tracked top chart right now.
Updated 24 Oct 2026 · rankings refresh through the day
DeveloperCWTI Ltd
CategoryGames
PriceFree
Released
Rating★ 0.0 (0)
Version40.0.0
Age rating4+
First seen by us
28 Sep 2026
28 Sep 2026Rating
0.0 ★
0 ratings
Measured
Blackjack Strategy Trainer 21 on the App Store
App details
App ID
6773344208
Publisher
CWTI Ltd
On the store since
Sep 2026
Under a year
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
8
EN FR DE IT KO PT RO ES
Size
87 MB
Also listed in
Card, Education, Strategy
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
0.0 ★
0 ratings
Measured
Ratings
0
Measured
About Blackjack Strategy Trainer 21
The house has a system. Do you?
Stop guessing at the blackjack table. Blackjack Strategy Trainer 21 teaches you the mathematically correct play for every hand using proven spaced repetition techniques. Practice hit, stand, double, split, and surrender decisions with instant feedback.
WHY THIS TRAINER IS DIFFERENT
Unlike other blackjack apps, this trainer adapts to you. The spaced repetition system tracks which hands you get wrong and serves them more often, so you improve faster where it matters most.
3 RULE SETS FOR REAL TABLES
Most blackjack trainers only support one rule set. This app supports three, so your training matches the exact table rules you may face:
- S17: Dealer stands on soft 17
- H17: Dealer hits on soft 17
- ENHC: European No Hole Card
FULL STRATEGY CHART
Browse the complete basic strategy chart in a color-coded grid. See the correct play for every dealer upcard at a glance. Hard totals, soft totals, and pairs are all covered.
SMART TRAINING FEATURES
- Spaced repetition: hands you get wrong appear more often until you master them
- Hand-type accuracy breakdown for hard totals, soft totals, pairs, and surrender decisions
- Progressive daily goals that grow with your skill level
- Daily streaks with Streak Shields to protect your progress
- Auto-advance timer for rapid-fire practice sessions
LEARN MODE
Not sure where to start? Structured lessons cover basic strategy from the ground up. Each lesson includes clear rules and detailed explanations so you understand the reasoning behind every decision.
CASINO-STYLE PRACTICE
Train on an immersive green felt table with realistic playing cards. It feels closer to a real blackjack table than a boring quiz.
AVAILABLE IN 8 LANGUAGES
English, Korean, Italian, German, French, Spanish, Portuguese, and Romanian.
CLOUD SYNC
Create an account to sync your progress across devices. Switch phones without losing your stats, streaks, or shields.
FREE TO PLAY
Download and start training immediately. No subscription required.
Perfect for casino beginners, experienced players refreshing before a trip, online blackjack players, and European players who need ENHC strategy. Reduce the house edge and play 21 with confidence.
Stop guessing at the blackjack table. Blackjack Strategy Trainer 21 teaches you the mathematically correct play for every hand using proven spaced repetition techniques. Practice hit, stand, double, split, and surrender decisions with instant feedback.
WHY THIS TRAINER IS DIFFERENT
Unlike other blackjack apps, this trainer adapts to you. The spaced repetition system tracks which hands you get wrong and serves them more often, so you improve faster where it matters most.
3 RULE SETS FOR REAL TABLES
Most blackjack trainers only support one rule set. This app supports three, so your training matches the exact table rules you may face:
- S17: Dealer stands on soft 17
- H17: Dealer hits on soft 17
- ENHC: European No Hole Card
FULL STRATEGY CHART
Browse the complete basic strategy chart in a color-coded grid. See the correct play for every dealer upcard at a glance. Hard totals, soft totals, and pairs are all covered.
SMART TRAINING FEATURES
- Spaced repetition: hands you get wrong appear more often until you master them
- Hand-type accuracy breakdown for hard totals, soft totals, pairs, and surrender decisions
- Progressive daily goals that grow with your skill level
- Daily streaks with Streak Shields to protect your progress
- Auto-advance timer for rapid-fire practice sessions
LEARN MODE
Not sure where to start? Structured lessons cover basic strategy from the ground up. Each lesson includes clear rules and detailed explanations so you understand the reasoning behind every decision.
CASINO-STYLE PRACTICE
Train on an immersive green felt table with realistic playing cards. It feels closer to a real blackjack table than a boring quiz.
AVAILABLE IN 8 LANGUAGES
English, Korean, Italian, German, French, Spanish, Portuguese, and Romanian.
CLOUD SYNC
Create an account to sync your progress across devices. Switch phones without losing your stats, streaks, or shields.
FREE TO PLAY
Download and start training immediately. No subscription required.
Perfect for casino beginners, experienced players refreshing before a trip, online blackjack players, and European players who need ENHC strategy. Reduce the house edge and play 21 with confidence.
Latest updates
40.0.0
New: send feedback from Settings → Feedback. Suggest a feature or report a problem, and vote on ideas from other players. Posting and voting need an account.
37.0.0
New: make the same mistake on the same kind of hand four times in one session, and the app can offer the lesson that explains the right play. The daily reminder is now scheduled on your phone at the time you choose, so it arrives more reliably. Also new: a break from ads. When an ad is due, you can choose to watch one short video instead, and then play the next hands with no full-screen ads.
32.0.0
The lessons are now complete in every language: 14 lessons and module 6 were English-only, and some explanations were one-line stubs. Every lesson now teaches exactly what the trainer grades under S17, H17 and European no-hole-card rules, no-DAS exceptions included. Pairs of 8s are always graded as a split. The strategy chart and statistics are translated. New: European Portuguese. The daily reminder now arrives in your language.
