If this is an option you can ask your users to install the System Console
:
https://itunes.apple.com/gb/app/system-console/id431158981?mt=8
This will allow them to send you their console logs.
Frage
My app isn't crashing for users, but they do get NSLog messages which I didn't disable telling them what the error was, in response to an NSError being generated. It's a long shot, but are NSError messages stored anywhere, and would there be a way of me getting them from the user?
Lösung
If this is an option you can ask your users to install the System Console
:
https://itunes.apple.com/gb/app/system-console/id431158981?mt=8
This will allow them to send you their console logs.