Trying to remember the name of an app

Dear Community, Few days ago, I came across an app through someone's comment in a random ad on Instagram. I checked out the app in question but I can't remember the name now other than that it starts with the alphabet "P". Basically, the app allowed your social media followers or blog followers or your invitees to sign up to their service (for a fee you set) who then becomes part of an elite group of people who gets the news first from the content creator on special prices/discounts or engage in discussions etc. Would you know the name of this service? Thanks for your help!