Off my period 8/3/17.. here are my dates I have had sex, what are my chances

Margo

alright ladies!!! I'm going to log on this post the days I've had sex... I just want to see if anyone else is in the same boat with me!! I have a few apps so I'm not too sure when the exact date that I will ovulate? Two apps say 08/10/17 one says 08/14/17 and the other says 08/13/17. My cycles are 28-29 days. Help me out!!

Sex dates since off my period....

08/03/17

08/05/17

08/06/17

08/07/17

08/08/17

08/10/17

08/12/17

08/13/17