One of the main uses I had for Mint was seeing all my CC bills and their due dates in one place and making sure I'll have those amounts available in my checking account on those dates.
I was so excited to see the Cash Flow feature in Simplifi before I signed up coz I assumed it'll take my CC bills into account. You can imagine my disappointment after I signed up and I realized Simplifi doesn't have any clue about my CC bills and due dates. Please pull the statement balance and due date info from our CC accounts like Mint did and integrate it with the Cash Flow feature.