Any twitter/reddit "needs" analysis sites?

Hey everyone.
Something I occasionally do to get inspired is search for terms like "frustrated with X" where X is a product name into Twitter.

And read the threads to see if there's a problem worth building for.

I'm aware of sites like trends.vc.

I was wondering if there are any platforms that provide this kind of analysis as a service in some detailed way?

If not would anyone here be interested in using/paying for it if I built one?