confused about ovulation and this app 🤔

ok so we have been trying for a baby about 7 months going by this app, this month i decided to use ovulation strips to see ovulation and by this app i started ovulation on the 6th i started ovulation tests that day twice a day and nothing then today i have done 2 and 2 lines are appearing so im thinking this whole time iv been trying at the wrong time 😣😣😣 here i am going by a stupid app how stupid do i feel!!!! 🤔