Bought FamilyTreeMaker for Mac 2 in 2013 and like many others here I started to have problems (random crashes, huge memory consumption, software runs slow even on modern macs, sync with ancestry does not work).
Now I hear that I actually have to pay for an update that MIGHT resolve these issues? (as others noted, it is still very much a beta). And it is not even available here in germany...let alone a german localization!
I had really high hopes of ancestry finally delivering a real Mac solution when FamilyTreeMaker for Mac 1 came out. But it is still a badly ported windows app (just look at the user interface).
I've just downloaded the demo of MacFamilyTree from synium like others have suggested (yes, they have one you can actually try out before you shell out money!) and I really like what I see. Real mac app, free sync with Familysearch, real iOS version of the app and icloud.