Help would be very appreciated.

So I missed my period the month of July I’ve been testing & testing with nothing but negatives 😏😔 I haven’t been tracking my ovulation with any OPKs in the month of July I was just going off on what the apps told me. Flo says I’m 18 days late & Glow says I’m 7 days late what the heck is going on is it possible I might be pregnant with our rainbow but still probably early or did I just skip a month I’m testing tomorrow with FMU & depending on the results for tomorrow I’ll be making an appointment with my doctor 😩😤 & is it also possible to still ovulate even if I didn’t have my period I have another app (the green one) that says I’m due to ovulate Saturday I’m confused 😐 my period has been some what regular up until May when I spotted the whole month & then my period date moved to the 23rd. of June I’ve always had my period around the 12th-14th since after my miscarriage back in January of this year. I’ve also been having symptoms with sore breast, cramping, mood swings craving. Thank you in advance ladies 💕