I can't log into the APPs "Family Tree" or "Memories" with my church account. The same user name and password work fine at familysearch.org
Please sign in to FamilySearch to see this article regarding the difference between Church accounts and FamilySearch accounts since September 2021:
You may be better served if you will call FamilySearch regarding this username and password issue.
United States 1-866-406-1830
Live Phone Support:
Monday - Friday 9 am - 6 pm
The app needs to be updated