Fertile week

Hi ladies, I'm currently in my fertile week and last night was the 2nd night me and my husband had sex. According to this <a href="https://play.google.com/store/apps/details?id=com.glow.android">glow app</a>. It shows us when out most fertile day is. Is it best to have sex on that one specific day during my fertile week more than once? To help with conceiving