Wait I don't understand. Why would IP matter if you're using VPN or Tor?
I'm NEVER on clearnet...
What makes it private is not paying with credit card and NOT signing up using a doxxed email like many probably do with proton.
Not sure what "retention of 30 days" is in reference to, but I haven't heard anything that's a deal breaker yet...
Tuta does NOT know who I am... Sooo yeah, that's a private service.