Need some insight..

Chastity • wife and bonus momma☆👼x3 (3/17, 5/18, 5/19)☆ttc our 🌈 for 2 1/2 yrs..finally 🤰‼‼

we have been ttc since chem/mc in march. i have been using ovia to track but came across glow. i put in all the info from ovia

and they are slighty apart from each other. glow shows me in my fertile week and af due oct 3rd. ovia shows my fertile week coming up and af due oct 6th...im so lost..what would you ladies do? any advice? also, has anyone had any luck using the supplement fertiliform