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I'm considering buying an iPad 2. I already have an iPod Touch and was wondering if there is a way to upgrade apps, either for free or pay the difference, that I have already purchased in order to get the iPad specific version, or do I have to rebuy anything that I would want on the iPad? I know it can run iPhone apps, I'm just looking at the apps that have specific ones for each device.

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up vote 3 down vote accepted

The best answer is that it depends:

  • There are quite a few universal apps (the ones that will have a + icon in their purchase area), which means that they run in a native UI on both devices. Many developers have added this to their apps for free to the user. In this case, you probably even have the updated version already, and it will work just right on your iPad. Some examples may be like Instapaper, NewsRack, 2Do, The Incident, Infinity Blade, etc.
  • Other apps differentiate between the two versions, usually a normal version and what many call an "HD" version. Since this is a different app, they usually are priced differently and can not be updated between versions. An example would be Flight Control or Angry Birds, both have a iPhone and iPad version, where you would have to buy both.

There is no way currently to 'upgrade' to the better version for a discount between devices. So to answer your question, you would have to rebuy anything you want on your iPad (thats specifically iPad based) that wasn't provided for free from the developer in an upgrade to the app (where the developer made the app universal with an update).

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Thanks for the information. I remember seeing the + icon and forgot about it entirely. I'll have to check my apps to see how many of them have it. – bmbaeb May 24 '11 at 17:57

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