dyld: Library not loaded: @rpath/libswiftCore.dylib

Question

I am trying to run a Swift app on my iPhone 4s. It works fine on the simulator, and my friend can successfully run it on his iPhone 4s. I have iOS 8 and the official release

Answer 1

I was having the same problem after moving to a new mac, and after hours, trying all the suggested answers in the questions, none of this worked for me.

The solution for me was installing this missing certificate. http://developer.apple.com/certificationauthority/AppleWWDRCA.cer

Found the answer here. https://stackoverflow.com/a/14495100/976628