I\'ve found the following code at http://snipplr.com/view/2771
Which is pretty good, almost exactly what I was looking for, but if I use the values @\"1.4.5\", @
@\"1.4.5\", @
it's simple with VersionComparator Class
https://github.com/danhanly/VersionComparator
BOOL greater = [VersionComparator isVersion:@"2.0.0" greaterThanVersion:@"1.1.0"];