I second the ovulation app. I'm 41 and got pregnant within a few months. My first baby.
This is what I did to get pregnant. If your cycle is normal download the period/ ovulation app. It will let you know the exact day you will be fertile and when your period will start. I have used the app for two years and I got pregnant the day that it said I would both times which is exactly 14 days after the first day of my period.
If you want to try an herbal supplement, I recommend fertili-tea. It's a loose tea that you drink twice a day everyday when you start your period and continue until you're pregnant. It took 2 months for me (I was also 35).
It also helps to track your cycle in general so you can get a better idea of when you're ovulating so you can try to conceive more effectively.
Good luck!