This all smacks of the Dog Food Advisor.
They charge you for their list of foods? LOL and probably based on "ingredients" .. Heaven help the domestic pets in this world.
Cost
Cost to purchase the List is variable, depending on the support you want/can afford to provide. Price varies from $10 to $100. No matter the price you purchase, the 2019 List is the same.
I personally will stick with
www.petdiets.com