Universal: Pros: one app to maintain, customer buys once and can use on several different devices. Universal apps seem to be the "in-thing" at the moment. Cons: you can only set one price, so it's either too low for an iPad game or too high for an iPhone game Separate Apps: Pros: Can set two prices e.g. $4.99 for iPad and $0.99 for iPhone. Add HD label to iPad version to make it more appealing plus have different assets and level sizes on iPad. Can try to get iPhone version under 20MB for 3G download and don't need to for iPad (some people say it's less important for iPad as more people use wireless instead) Cons: two apps to maintain. Customer has to buy twice for iPhone + Pad. I'm probably going separate apps for Holiday Bonus iOS unless I'm persuaded otherwise in the next few days.