Confused about ovulation and sperm life

MP
Hey ladies, I would really appreciate any advice/past experiences..
I've got 2 apps (this one and FirstResponse) to track my period and ovulation time. I know that it's close to impossible to 100% track ovulation, so here is my question
My period was typical for me (11/30-12/6)
This app says my fertile window started 12/11 and the other says 12/14.
Hubs and I had unprotected sex 12/11
Realistically, what are the chances of pregnancy?
Thanks in advance!!

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