Help positive and negative opks😖

KAM

I took 3 different kinds of test got 3 different results

I took a easy at home ovulation test got a positive

Femometer test got a negative (but I already determined that thoses test are horrible)

And took a clearblue advance ovulation test and got a circle

I've been having ovulation cramps for 6 days now and idk what to do, my app says I'm ovulating tomorrow plz help me