Ovulation

So I have two period trackers this one and Flo I got my period in the 27 threw the 31 if July flo says I ovulate on the 3rd of August up to the 13th but this app says it different it says I’m ovulating i took an ovulation test and it comes out like this, ps I normally don’t track my period this is the first time but now I don’t know what’s wrong and what’s right