Do i have ovulation?

I know its negativ, but ITS never getting positiv😅 This app say i have ovulation in 3 days, another app says 11 days. And the last 14 days. I have take the same info in all of the apps. Now i have 42 days cycle. I Was late last month and was getting a positiv pregnancy test but they think IT was chemical noe ITS all negativ!