I used a grocery list app a while ago (I actually forget the name now) and the sharing feature was definitely useful for my wife and I. When one of us would run

I used a grocery list app a while ago (I actually forget the name now) and the sharing feature was definitely useful for my wife and I. When one of us would run out of something, we'd add it to a shared list, so when we went grocery shopping the next time we'd remember.