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    So, Apple's website does not describe the gyroscope on the iPad 2 as a "3-axis" gyroscope; but, when they say "gyroscope" they mean a specific kind of part (such that application developers developing games that require that part by the gyroscope capability can rest assured that it is there and will work for them). If you do a Google search for '"3-axis gyroscope" "iPad 2"' you find numerous articles from late 2010 and early 2011 talking about how the iPad 2 is expected to come out with the same 3-axis gyroscope part that the iPhone 4 already had: when it came out, we were not disappointed ;P. Commented Nov 14, 2012 at 12:50
  • This is what I based my suggestion on: apple.com/ipad/ipad-2/specs.html It doesn't mention any gyroscope. Only "accelerometer". Given that, and the fact that their docs seem to suggest that some devices support only a subset of the motion API, makes this worth a try. I would, if I had an iPad mini... Commented Nov 14, 2012 at 13:48
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    No, seriously: it says "gyroscope" right there in the same small section as "accelerometer". I guess I can post a screenshot of the webpage you just linked with the word "gyroscope" highlighted, but you should be able to find it with ctrl-F. (edit: OK, for humor value, I did that: i.imgur.com/8BZhx.png <- see it now? ;P) Regardless, to put the "3-axis gyroscope" difference even more to rest, if you go to the lower-level pages Apple keeps for this kind of thing for historical support reference, you can see that it specifically even says "3-axis gyro". support.apple.com/kb/SP622 Commented Nov 14, 2012 at 15:07
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    Well, there really isn't a need to speculate if there really is a difference between the motion API capabilities in the iPad mini and iPad 2. It's just a matter of trying it out and seeing. So, who has an iPad mini here? Regardless, I came to this idea by looking at the tech specs for both devices and searching for differences that may be sensed in HTML/JS. There might be other differences as well. Commented Nov 14, 2012 at 18:28