Compare Prescription PricesSave Up to 80%
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Compare prescription price estimates for your medication and ZIP code, then confirm the final price with the pharmacy.
Free drug price comparison at CVS, Walgreens, Walmart & 70,000+ pharmacies. No insurance or account needed.
Most popular drugs
See How Much You Can Save
Real prices at pharmacies near you
Prednisone
10mg · 30 tablets
at Walmart
vs. retail price
83% savings vs. retail
* Prices shown are estimates. Actual prices vary by location and pharmacy.
3,500+
Medications
70,000+
Pharmacies
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Why Patients Choose RxDiff
The smarter way to save on every prescription
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70,000+ Pharmacies
CVS, Walgreens, Walmart & more
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Check current options for your prescription
Beat Insurance
Often cheaper than your copay
Practical Prescription Savings Guides
Not sure whether to use a discount card or your insurance? Start with how pharmacy discounts work, then learn which prescription details to match when comparing offers.
How Prescription Discount Cards Work
Understand cash-price discounts, how a pharmacy processes a coupon, and why you generally choose a discount or insurance for each fill—not both.
Best Prescription Discount Cards 2026
Compare the same drug, strength, quantity, and pharmacy across programs. Learn why a card that is cheaper for one prescription may not be cheaper for your next fill.
RxDiff vs Other Discount Cards
See how RxDiff differs from GoodRx, SingleCare, WellRx, BuzzRx, and other savings services. Read about coupon use, account requirements, and pharmacy checks; check each service directly for its current prices.
Compare RxDiff with other savings servicesPrescription Savings Guides
Explore pharmacy price differences, 90-day prescription supplies, and discount-card rules. The guides explain what to confirm with your pharmacist and how to compare an offer with your insurance copay before choosing how to pay.
Browse prescription savings guidesRead the GoodRx alternatives guide