CD 31 AF was due on 11-7

Layla • •|Married💍 EST.2012|• MAMA 12-2020 👩🏼‍🍼👨🏻‍🍼👨‍👩‍👦•
AF was due the 7th. An app says 8th too. But nothing this far with negative first response test this AM. 
I usually have a 28 day cycle.
Anyone can give advice on what you think.