Ovulation confusion

I only track by CM and I had 4 days of EWCM (8/2, 8/3, 8/4, 8/5) and the app says about the 3rd was my ovulation day- it was also my thickest day of cm.

But today I have creamy discharge.... did I ovulate yesterday? Or did I ovulate when I had the most Egg white mucus?