Questions re: fertile window & app accuracy

Niesha
Soo I just wanted to know some info. Has anyone actually been able to get pregnant by having sex during your calculated fertile window via the app? We are currently TTC (will be our 1st kiddo) and I wanted to know if I can believe the time frame given. I understand that it'll happen when it's supposed to happen, but I'm trying to help it happen lol. Also anything else that I need to do would be helpful to know as well! Thanks!!!