Jorte crashes closes since ios9.3.1 upgradec

HELP -Cant really use calendar since ios 9.3.1. And ur jorte April upgrade. It times out mid entry /closes /crashes at will while i enter an appointment. Is it Jorte or is it ios9.3.01 to bug to blame ??and its getting worse (may 1st) takes 3 tries to make a calendar entry

kla91942 about Jorte Calendar, v1.3.23