Ovulation days off?

Ariel
Ok so I took an ovulation test yesterday and had two lines but I wasn't ovulating. Tmrw I am supposed to be ovulating....so I took another test today and I had a very faint line. Almost hard to see. And yesterday's one was also faint but still noticeable. Is it possible that I missed my ovulation day? I was going by the app last month it was semi accurate it was during the fertile window but not the day I had the highest percentage. Idk if I ovulated early or not smh oh well guess I'm out for september😩😭.