It is recommended by Apple to make universal apps, i.e. one ipa for iPhone and iPad. If I make a standalone iPhone app, it gets approx. 6Mb. If I make a universal app it becomes approx. 19Mb... For iPhone users this is a waste... (size is build up of iPad image resources). This feels wrong to me... Please comment.
If you sell your app, users which own an ipad and an iphone would need to buy your app twice, if they want to use it on both devices. I would prefer the waste of 12mb.