Quote:
Originally Posted by JSWolf
You also have to remember, that the version of iBooks for iOS 5.x (first generation iPad) is going to be different than the current version iBooks. So you'll need a list of what's broken in that version as well as the current version.
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If you still care about iOS 5, yes. Even if every first-generation iPad sold were still in active use, it would still be only 6% of all the iPads out there (a paltry 15 million units out of more than 250 million to date). The reality, however, is that most app statistics seem to suggest that all the iOS 5 devices combined make up fewer than 1% of devices that are still in active use.
And even if you assume that number is low because it includes phones, given that:
- users who haven't upgraded their hardware in more than four years are also less likely than average to buy books (and apps) on their devices,
- the iBooks app didn't come on the device, and
- users can't install iBooks on an iOS 5 device without "pre-purchasing" it with a Mac or PC (because of limitations on "older version" support from at least iOS 5 through iOS 7.x),
you're still more likely to see a unicorn, Bigfoot, or the Roswell aliens than to have your book read on an iPad 1.
In other words, I wouldn't spend even an hour of extra effort verifying compatibility. If one user happens to use one and complains, you can hack a modified version for that one user at that time, but otherwise, it probably isn't worth your time, IMO.