If you have insurance, and you want the brand name Concerta, you will more than likely have to go with GoodRx because many insurance plans will only cover generics. It’s cheaper for me to go with the generic than it is for me to with brand name Concerta, and I have found no difference between Concerta and the generic. That’s just my experience. Here’s a link to an article I found: https://adhdrollercoaster.org/medication/authorized-generic-concerta-update-6-1-19/