On iOS devices, go to Settings > Privacy > Diagnostics & Usage. Choose Automatically Send. Turn on Share with App Developers. Also do this with other people's devices, if possible. From now on, the device will send crash logs, critical logs,… to Apple and app developers, so they can diagnose and fix problems. Remember; if you don't have time to report bugs to Apple (bugreport.apple.com) or app developers, then this is the easiest way you can do to make iOS ecosystem - that you and me are using - better.