Sounds interesting. There's one person in my family who is particularly good at this. We could all learn a lot from them if we had regular "family admin" parties.

I found the app and it's website. Links for reference:

https://www.pamfamilymanager.com/

https://apps.apple.com/us/app/pam-smart-family-planner/id673...

https://play.google.com/store/apps/details?id=co.mypam.app&h...