App Moving fertile window

Stacy • Together 16 years, married for 8.5 years and have a 6.5 year old 🌈👦🏻boy and a 2 year old 🌈👶🏼 boy 💙 and two 🐶

I have no idea what's going on. How can I tell my true ovulation and fertile time if the app keeps moving it and my tests do not show the peak???