Counting cards in a live, brick and mortar casino is a completely different animal than an iPhone app or an online casino.
First, you can't count card on an online casino because the virtual deck re-shuffles after every hand.
Second, I believe the iPhone App (I used it about a year ago) runs through the entire 6 or 8 deck shuffle. This simply does not happen at casinos in order to prevent people from effectively counting cards.
The only way to have a legitimate shot at counting cards successfully is to find a dealer that employs good penetration of the shoe (80% or higher)
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