NSUserDefaults Unreliable in iOS 8

Question

I have an app that uses [NSUserDefaults standardUserDefaults] to store session information. Generally, this information is checked on app launch, and updated on app exit. I

Answer 1

I faced the same issue. I solved it by calling

[[NSUserDefaults standardUserDefaults] synchronize];

before calling

[[NSUserDefaults standardUserDefaults] stringForKey:@"my_key"].

It turns out one has to call synchronize not only after setting but before getting too.