using iRate to rate apps.. what do I need to change in order for this to work on my app?
You can see AppStore ID in iTunes Connect as soon as you configure your app there. Go to Manage Your Apps, select your app if you already created it or create it now and when done look for Apple ID under App Information. However, it's usually not required for iRate...
iRate Compile Error with Swift
As suggested by Michael Dautermann, removing the reference under the Optimization Profile File key found in Xcode > Project > Build Settings under the Apple LLVM 6.0 - Code Generation section. I am new to Xcode and, at one point, had selected Product > Perform Action > Generate Optimization Profile...