Hello and welcome to the Fitbit Community @Macandjas
I understand your currently having difficulty with your notifications. At this moment notifications are a known issue that the Fitbit Team is working on and hopefully a fix will come soon in a future update. Please watch this thread here: https://community.fitbit.com/t5/iOS-App/Stopped-seeing-notifications-after-updating-to-iOS-13/td-p/3... That thread will provide you any updates, tips and possible workarounds that may help.
😃 I understand that this may not have been the answer you were looking for but I do hope this answer is pointing you in the right direction.
Best Answer