Evernote CEO Phil Libin frankly admits that the various versions of Evernote can, will, and must get better:
As we get nearer to achieving our stability and performance goals, we’ve turned our attention to the other important component of quality: great design. Over the next few months, we’ll be releasing new versions of all the apps that incorporate our many lessons learned about what does and doesn’t work. All of our apps will be getting significant improvements and simplifications to the user experience starting in the next few weeks. The five most important areas of improvement that we’re targeting on all platforms are note editing, navigation, search, sync and collaboration. Link
I'm solidly hooked on Evernote for probably way too many things and can't say I've noticed any excessive stability issues. Still the recent iOS 7 update took Evernote from an app that I needed to use to an app that I also like to use. Picturing an app that improves everything, and across all platforms, well that's something to look forward to.