Please obtain the crash logs for Paprika by following the instructions such as these:
https://help.dayoneapp.com/en/articles/440759-getting-ios-crash-logs
Then open a support ticket and attach the crash log to it.
If you are unable to obtain the crash logs for Paprika, please open a support ticket and describe in detail what you were doing when the crash occurred, including any steps that we might be able to take to reproduce the crash.
If you were browsing a specific website when the crash occurred, please include a link to that particular website, or preferably, the page you were on when the crash occurred.