Blackjack Guru - BJ Trainer 21
Blackjack Guru - BJ Trainer 21 Summary
Blackjack Guru - BJ Trainer 21 is a free, ad-supported, with in-app purchases iOS app in Card by Growth Garage LLC. Released in Mar 2025 (1 year ago). It has 3.3K ratings with a 4.74★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 18K monthly active users and generates around $<10K monthly revenue (58% IAP / 42% ads). Store last updated Aug 19, 2026
Recent activity: 139 new ratings this week View trends →
SDK intelligence: AppGoblin detected 4 development tools(e.g. Facebook), 2 analytics: product, 1 business tools, 1 ad networks,and 1 analytics: attribution integrated into Blackjack Guru - BJ Trainer 21. View full SDK list →
Blackjack Guru - BJ Trainer 21 SDKs Summary
Blackjack Guru - BJ Trainer 21 was last scanned for SDKs on 2026-08-23. Below is the overview of third-party companies detected in the app. The full list of SDKs, permissions and unknowns is available here.
Facebook
nanopb
Google
Airbnb Engineering
RevenueCat
Firebase
Mixpanel
Adjust4.74★
Ratings: 3.3K
Screenshots
App Description
Learn how to play Black Jack with BlackJack Guru!
Blackjack is a game of skill, where every decision moves the odds for or against you. Blackjack Guru helps you understand the strategy behind the game and build real confidence, without ever risking money.
Whether you're new or experienced, the trainer adapts to your level and takes you step by step. Learn the fundamentals, master basic strategy, then progress into card counting.
TRAIN
· Strategy Table: Learn the correct decision in every situation, at a glance.
· Strategy Drills: Play out simulated hands and decide whether to hit, stand, split, double, or surrender based on the dealer's upcard and your own.
· Instant Feedback: Find out immediately whether you made the optimal play, so mistakes turn into learning.
· Understand Why: Go beyond memorizing. Every decision comes with a clear explanation grounded in probability and outcomes.
· Multiple Training Modes: Focus on the hands you find hardest, such as pairs, soft hands, hard hands, or high-difficulty spots. Drill tricky situations until they're automatic.
· Smart Training Mode: Adapts to your play and targets your weak spots, repeating hands similar to the ones you got wrong so you actually learn before moving on.
· Adapts to Every Level: Whether you're learning the rules or refining an advanced game, difficulty and training order match your skill.
COUNT
· Card Counting Theory: Understand how counting works, step by step. The system, the card values, and how to keep an accurate running count.
· Card Counting Practice: Build speed and accuracy with structured exercises across multiple difficulty levels.
· Full-Table Counting: Train on multiple hands at once and keep the count under pressure.
· True Count and Deviations: Learn how the running count converts to a true count, and what changes when it does.
TRACK YOUR PROGRESS
Detailed statistics show your correct-decision rate over time, reveal patterns in your play, and point you to the areas worth working on next.
START PRACTICING TODAY
Blackjack Guru is built to teach you the game with data, not luck. Unlike typical card games, it focuses on the correct decision in every possible blackjack 21 scenario, and on the reasoning behind it, so you understand both the what and the why.
Free to download. An optional subscription unlocks unlimited training, the full card counting course, and S