Maybe you should create an app that people want. From Google it looks like PairCare is to do with period tracking. There are already a plethora of apps that do

Maybe you should create an app that people want. From Google it looks like PairCare is to do with period tracking. There are already a plethora of apps that do this, a large number of which are free. I'm almost certain it is also a part of the Apple Health stack. You're an unknown entering into a very large market with a vibe coded SaaS - This isn't going to work.