Please fix! – SimplyUs - Shared Calendar, ToDo Task List & Organizer for Couples Review

Your app seems incredibly convenient when it wants to work. Unfortunately, each time I try to log on, within two seconds it crashes and forces me to the dl Hub page in my App Store. I've tried countless times over the last three days. a PLEASE FIX! Thank you.
Review by Simply frustrating! on SimplyUs - Shared Calendar, ToDo Task List & Organizer for Couples.