Why would you never split 9s? It really depends on what the dealer is showing. If they have a weak card (4-6), I would double on anything. I would split 9s the dealer is showing a 7, and maybe even an 8. I could write an app that would allow you to play blackjack. It wouldn't cheat, it would give you realistic odds, you wouldn't know the difference. But why would I do it for free? I'd either want you to pay for the app, or I'd want you to register so I can make ad money. That's why you can't find it.