cm question.

So, today is supposed to be my "most fertile day" according to my apps, although I feel like I ovulated a week ago. I have normally 32 sometimes 33 day cycles. Usually when I ovulate I have very water discharge... which I had already, along with cramps and I can feel when I ovulate, I get a pinching feeling either on my left or right side depending on the month...  The last 3 days I've had lots of creamy white cm. Could I have just ovulated earlier than expected and that's why my cm has already changed? I get so confused on cm and ovulation ... thank you! :)