Am I the only guy using this app?

Just wanted to see if I was the only guy using this app? Me and my girlfriend are trying for a baby. I wanted to get involved as much as possible. I want a baby as much as any women so I thought I'd try this app to help are chances as we've been trying for a few months now. But no such luck which is always a bit of a worry specially for a guy like I'm doing something wrong. All comments welcome