About this app
Play blackjack and practice card counting like a pro with CountJack. Test your skills in the classic game of 21, practice Hi-Lo counting, enjoy detailed statistics to track your progress, and customize the casino rules to suit your style. Explore our shop offering a variety of tables and cards. Why CountJack? - Unique card counting trainer with multiple difficulty levels, which will be a challenge even for professional players. - Adjustable casino settings to fit your needs. - Exhaustive statistics allow you to monitor your progress. - A fancy shop with a variety of content that you can buy using in-game currency. - No annoying ads. All ads in the game are optional, so they won't disrupt your enjoyment of the process. Get CountJack for the ultimate blackjack experience!
Latest release
What’s New
Double down after split is now available!
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 4, 2026 · 2:57 AM Free
Screenshots
