BlackJack Teacher Pro (21 Pro)

Casino · Paid · 5.0 out of 5 from 4 ratings

An advanced BlackJack trainer to master basic strategy and card counting techniques for casino play.

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GenreCasino

PricePaid

Difficultymedium

Ad intensitynone

In-app-purchase pressurenone

Typical sessionvariable

DeveloperPepper Dog Soft LLC

Rating5.0 out of 5 from 4 ratings

What players like

Customizable bet cards, count systems, and true count systems
Flexible practice modes targeting specific card combinations
Supports multiple counting strategies like KO count
No crashes after updates
Essential for card counting learners

Common complaints

True count calculation incorrect in some scenarios
No multi-hand simulator or realistic casino experience
Limited drill variety (only 4-card layout)
Crashes on iOS 8 (older versions)
Needs statistics tracking across sessions

What real reviews say

★★★★★ Crashes all the time now After 8.02 update 10/14/14 still crashing all the time so is unusable. If you're running 8.02 don't waste your money. 10/16/14 Thanks for fixing the crashing! Program has returned to 5 Star status!

★★★★★ Great app Love the app. Crashing on ios8 though. So if it's an app you like wait for the update before getting iOS 8

★★★★ Another great 21 app from PepperDogSoft Would love to see this app offer additional counting drills of a single card and two cards (like Casino Verite), in addition to the sole 4-card layout of you vs. the dealer. Otherwise, another very nice app from this developer.

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Data: Apple App Store, as of 2026-08-24. Last updated 2026-08-24.