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marc55

macrumors 6502a
Original poster
Oct 14, 2011
872
283
Our iPhone4S and iPad2 are on one account, so Apps downloaded onto the iPad end up on the iPhone.

Can the iPhone play iPad Apps, and especially the new Retina Display iPad Apps?

Thank you
 
Not exactly.

There are 3 kinds of apps:

1) iPhone apps: Run correctly on the iPhone. Can also play on an iPad 'blown up.'
Example: Angry Birds

2) iPad apps: Can only run on an iPad.
Example: Angry Birds HD

3) Universal apps. It's one app but it contains both 1 and 2 wrapped up into it. It runs the correct version depending on what device you have.
Example: iMovie

So it depends on what app you have. Some apps take the 1 & 2 approach so they can sell you 2 versions. Other apps are made to run everywhere for one price. It all depends on the app.
 
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