Blackjack | 21
Blackjack | 21 is #152 in Games › Casino Free in Russia and charting in 1 of 24 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperHigh Roller Studios
CategoryGames
PriceFree
Released
Rating★ 0.0 (0)
Version1.5.4
Age rating17+
First seen by us
25 Sep 2026
Installs (est.)1k+ worldwide
Rating
0.0 ★
0 ratings
Measured
Best rank now
#152
Measured
Blackjack | 21 on the App Store
App details
App ID
6790571321
Publisher
High Roller Studios Inc.
Minimum OS
iOS 18.0+
Content rating
17+
Languages
12
EN FR DE IT JA KO PL PT RU ES TR UK
Size
28 MB
Blackjack | 21 downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| Games › CasinoFree | #152 |
Apps near Blackjack | 21 on the chart
Games › Casino Free, around #152.
Ratings
App Store, worldwide.
Rating
0.0 ★
0 ratings
Measured
Ratings
0
Measured
About Blackjack | 21
Blackjack is easy to learn. Playing it well takes practice, and that is what this app is built for.
It is more than a casino table on your phone. You get real blackjack, a coach that reacts to the exact rules you set, and a progression system that pays off good decisions instead of lucky ones. Play full hands with virtual chips, sharpen your game without risking real money, and get something back from every mistake.
The coach checks your opening move against the table rules you picked. Hesitate on a hand and you can switch on hints that point you the right way while still leaving the call to you. Make an expensive mistake and the game can send you straight to a lesson built around that kind of hand.
There are more than 30 interactive lessons covering hard totals, soft hands, pairs, surrender, insurance, and the harder calls. You are not memorizing a chart. You play the hand, see why a move works, and get comfortable with each situation at your own speed.
Progress comes from skill, not spending. Correct plays, clean rounds, and finished lessons earn XP across 50 levels, and higher stakes open up as you play. Daily quests tuned to your habits, buy-in challenges, 26 achievements, daily rewards, and an open-ended prestige system give you a reason to keep coming back.
Every week brings a seeded tournament where everyone is dealt the same cards, so skill decides who comes out ahead. Lifetime stats track your returns, streaks, strategy accuracy, blackjacks, doubles, splits, and more, so you can watch your game improve.
Set up the table you want: one to eight decks, dealer stands or hits on soft 17, 3:2 or 6:5 payouts, surrender, double after split, insurance, even money, and splitting up to four hands.
A dark midnight casino look, card play that feels good under your thumb, detailed sound, and haptics that answer every move. You can adjust the sound, haptics, coaching, and hints to fit how you like to play. The whole interface comes in 12 languages and switches instantly inside the game.
Whether you are still learning when to double or going for a run of perfect decisions, this is blackjack that gives you a reason to think about every hand.
It is more than a casino table on your phone. You get real blackjack, a coach that reacts to the exact rules you set, and a progression system that pays off good decisions instead of lucky ones. Play full hands with virtual chips, sharpen your game without risking real money, and get something back from every mistake.
The coach checks your opening move against the table rules you picked. Hesitate on a hand and you can switch on hints that point you the right way while still leaving the call to you. Make an expensive mistake and the game can send you straight to a lesson built around that kind of hand.
There are more than 30 interactive lessons covering hard totals, soft hands, pairs, surrender, insurance, and the harder calls. You are not memorizing a chart. You play the hand, see why a move works, and get comfortable with each situation at your own speed.
Progress comes from skill, not spending. Correct plays, clean rounds, and finished lessons earn XP across 50 levels, and higher stakes open up as you play. Daily quests tuned to your habits, buy-in challenges, 26 achievements, daily rewards, and an open-ended prestige system give you a reason to keep coming back.
Every week brings a seeded tournament where everyone is dealt the same cards, so skill decides who comes out ahead. Lifetime stats track your returns, streaks, strategy accuracy, blackjacks, doubles, splits, and more, so you can watch your game improve.
Set up the table you want: one to eight decks, dealer stands or hits on soft 17, 3:2 or 6:5 payouts, surrender, double after split, insurance, even money, and splitting up to four hands.
A dark midnight casino look, card play that feels good under your thumb, detailed sound, and haptics that answer every move. You can adjust the sound, haptics, coaching, and hints to fit how you like to play. The whole interface comes in 12 languages and switches instantly inside the game.
Whether you are still learning when to double or going for a run of perfect decisions, this is blackjack that gives you a reason to think about every hand.
Latest updates
1.5.4
We have great news – the game has received a batch of new updates.
The gaming experience is now even more stable, bugs have been fixed, and the core has been stabilized.
We look forward to seeing you in the new update. See you soon!