Yes, There is disk caching for NSURLConnection by default, but in my experience it does not cache it across app restarts, so each time the app starts again all

Yes, There is disk caching for NSURLConnection by default, but in my experience it does not cache it across app restarts, so each time the app starts again all the images have to be fetched all over again... SDWebImage gives the persistent disk caching I want. If I'm misunderstanding what's happening please let me know...