The free cards don't work with Medicare or Medicaid or (rather stupidly) if you are paying out of pocket. Something I learned the hard way.

Prescription Prices, Coupons & Pharmacy Information - GoodRx tells you what all the pharmacies are charging and gives you a coupon to print if there is one for each pharmacy. I've found huge differences in med costs that way.

(But don't get confused as I did and enter gooddrugs because that is an ENTIRELY different website .