How to detect if app is pirated?
mcav: Don't worry about it.The iPhone app store has enough DRM to move piracy below your radar. Casual users won't pirate your app; the few who might go to that effort aren't worth your time. If your app was available via direct download, an anti-piracy scheme might be useful, but for app store applications you needn't worry. Spend your time making other improvements to your app that will attract more players.