Yes - Evernote, Trello or Google Sheets work... any app where there's a master version of the data in the cloud.
We also make sure to use an ANALOG and DIGITAL version of most things.
Analog is actual handier... for example in the kitchen for our family calendar and grocery and 'to do' list, you grab the marker and write.
But, of course, digital is great for on the go.
And once you get there... the next thing to do is figure out how to live IN THE MOMENT despite having such great planning.
Seriously, my parents were terrible at this
**** but WTH it was the 60s