Yes. Even though I understand the math and the concepts for iOS's constraint based layout, I have found it amazingly difficult to use in practice. In IB, if you set one thing wrong suddenly many of your view's just disappear ... "undo" (or just starting over from scratch) is frequently employed. Debugging is a nightmare ... some cases I never figured out:

http://stackoverflow.com/questions/28550692/auto-layout-of-v...