It is a good idea, and a much needed plugin BUT.

Apply by category is buggy. It applies only to some products in the category and sometimes not at all.

Having more than one ppom in the categories removes the other.
( so have ppom 1 applies to b2b category, and ppom 2 to shoes category makes the system only choose 1 on some products with both categories applied.)

The “attach product” feature lacks category and multi-selection. Also, the close button is inside the scrollbar window,
so you have to scroll to the bottom to close it. These design flaws make this feature useless. unless you have less than 20 products in you shop.

Edit > Apply PPOM in the Admin-bar, only shows if ppom’s already applied to the product.(Makes no sense)

Also it seems to introduce some random problematic bug with every update.

My customer how is using this plugin, has been calling me 1-2 times a week the last 3-4 months, do to things disappearing and stop working
from time to time. All do to this plugin alone.

It is a good idea, and a much needed plugin. Just dont think these guys are the ones to do it.