I've found some apps/services that do this, but I don't think I should have to pay because the phone companies are sacks of shit. So I'm holding out hoping some

I've found some apps/services that do this, but I don't think I should have to pay because the phone companies are sacks of shit. So I'm holding out hoping someone (the FCC, my service provider, or the robocaller's service provider) will do something about it.