I've never looked at ovulation tests

Tonni • Coty❤️💍 Emmy: 11.08.13💖 Grayson: 09.07.16💙 Grace 11.24.17💖
If this month we don't get pregnant I want to use ovulation tests. What are the pricing and how many? (Not ordering online) For 4 months now I have started AF every 31 days. My cycles are the same and very accurate. Right now I use the calendar method of when I'm
Ovulating on an app called Clue. I've been using it for a year now. I hope the tests are cheaper than epts?