I have both the Amex Plat and the Chase Sapphire Reserve PP memberships. I loaded the app for the CSR on my phone, because it has better benefits. Since you can't upload two apps (or at least I haven't figured out how to) I carry the Amex PP physical card in my carryon luggage, for the "just in case" situations, but so far there's never been a reason to pull it out. With the restrictions coming up on the Amex Plat PP guesting, my long term plan is to keep the CSR.

It's such a pain to have to manage the virtually identical PP cards. It would be nice if they would identify the issuer in some way on the card itself, since the benefits are so varied.