While slots and games like blackjack compress fairly smoothly, poker has more player choices - more moving parts overall - than the typical casino game. There's also something just inherently more difficult about translating the online poker experience from the large screen of a laptop or desktop down to the smaller screen of an iPad or iPhone. Elevated concerns regarding security also make poker a less appealing prospect for app development, along with the lower margins casinos tend to earn on poker players as opposed to table games players. The major reason for this disparity, of course, is that a slot machine requires only one player and one connection to operate a poker table requires several players and several connections. This has, in fact, been more or less the case for years, but it's only recently that a smattering of poker apps appeared alongside the casino offerings. Mobile casinos are somewhat common in the App Store, with dozens of options from major brands available to players in regulated markets. Poker Has Been Slower to iPhones and iPads Than Casinos
