My point is that the description on the App Store says nothing about a trial or what's in the pro features. Please read the App Store description as if you're a

My point is that the description on the App Store says nothing about a trial or what's in the pro features. Please read the App Store description as if you're a potential user and see if you can understand what the in-app purchase provides. I wasn't asking about the trial (which I came to know only on seeing this reply) or why it was so.