Help me please! So my tracker is off of when I'm fertile. I log in 28 day cycle but it is past 28…

Help me please! So my tracker is off of when I'm fertile. I log in 28 day cycle but it is past 28 day and it the 31 day as of now and I still haven't got my cycle. I ovulated on the 13. I still do not have my cycle and I took a test today and it's negative.do you think I tested too early?