"It won't run on my iPhone" is a pretty gigantic difference, big enough IMO to thoroughly contradict the claim that the two apps are "the same thing". Anyway,

"It won't run on my iPhone" is a pretty gigantic difference, big enough IMO to thoroughly contradict the claim that the two apps are "the same thing". Anyway, you could also fly across the country to Target and buy "the same thing" there (in GP's analogy).