Earlier quoted context omitted.
They seemed to have changed the wording since you posted the comment, now specifying exactly 30 days with seemingly no exceptions. These terms seem to be updated at-will, so I'll take that with a grain of salt however.
That's strange. Even in my hobby-toy app, I have a TOS that I bump whenever the terms meaningfully change, and in my app, it forces a re-acceptance of the new terms before using the app again.
/s