Alexander
I guess I didn’t save anything on this…
I guess I didn’t save anything on this purchase.

Mudflap has been proudly serving independents and small fleets for over 4 years. In that time, we've saved drivers over $500 million on fuel. As the #1 diesel discounter serving owner-operators, we help level the playing field so you can save as much on fuel as the big guys. When you use Mudflap, you not only save big on diesel, DEF, and other fuel types, but you can also earn incredible fuel rewards on every gallon pumped.
Mudflap, Inc. (mudflapinc.com) has 662 customer reviews on Five Star Index, with an average rating of 4.4 out of 5.
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Alexander
I guess I didn’t save anything on this purchase.
Rusty G.
A LOT of places I have access to will not accept the Mudflap card. Sliding it at the pump locks out too much money. When I go inside and ask them for a specific amount, 9 out of ten times the clerk tells me they can’t do it that way, must run as fleet only, not as the credit card it is.
Response from Mudflap, Inc.Oct 12, 2026
Hi Rusty, thanks for sharing this, and we're sorry Mudflap hasn't been working smoothly for you. We'd like to look into everything you mentioned, from the locations not accepting Mudflap to the amount held at the pump and the clerks who couldn't run a specific amount. Please give us a call at 1-888-885-3835 or email [email protected] and our team will be happy to dig in and help get this sorted out.
Bobby
Discounts need to be better
Response from Mudflap, Inc.Sep 21, 2026
Hi Bobby, thanks for the review. Fuel prices and discounts can change day to day based on the retail price and the price each stop sets. Discounts may be higher or lower depending on the stop and current fuel prices, but we’re always working to offer the best discounts available.
STEVEN
The app itself is good. Does everything you need it to do. The service is great at first. You save big bucks. But after a few weeks, you dont save much at all. Avg of $2-$4 total? At that point, is it worth it? When theres a select amount of stations in my area.
Response from Mudflap, Inc.Aug 31, 2026
Hi Steven, thanks for sharing your experience. We understand that the savings can vary, especially when there are fewer participating stops in your area. Mudflap discounts are based on each stop’s retail price and the discount they’re able to offer, so some locations will naturally have stronger savings than others. Since Mudflap is free to use and check, we always recommend comparing prices before you fuel to make sure you’re getting the best deal available. We’re also continually working to add more competitive stops and expand coverage so there are more options to choose from. If you'd like to recommend a specific stop near you, chat us in the app or give us a call anytime and we'll see what we can do: 1-888-885-3835.
Holly C.
Over the last six months, the savings have decreased significantly. While the app is very user-friendly when we're filling up, the 1.5% fee for using a card often means it doesn't save us enough to justify using the app.
Response from Mudflap, Inc.Aug 19, 2026
Hi Holly, we appreciate the feedback. Discounts vary with the market and the prices each of our stops set, but we do our best to get our drivers the deepest discounts we can in any market. You can avoid the credit card processing fee in the app by switching your payment method to a bank account. Give us a call at 1-888-885-3835 and we'll be happy to help. Hope to hear from you soon!
Shelley C.
I wish you had information on how to use the Mudflap when at a pump. Do I go in the store get something from clerk or tap something on screen. I dont have a card abd I am a rv'er driving a diesel pickup. HELP?
Response from Mudflap, Inc.Jun 25, 2026
Hi Shelley, thanks for getting in touch. We're sorry for the confusion and we'd love to help get you fueling with Mudflap. To use the Mudflap app, pick a fuel stop from our map, tap the green button to get a fuel code, redeem your fuel code at the truck stop, and pump your fuel! Some stops will accept your code right at the pump. At others, you'll go inside and show the fuel desk your code. Once you get your code, you should see instructions in the app about where you use your code. You can pay through the app using a bank account, debit card, or credit card. You can reach our 24/7 support team anytime at 1-888-885-3835 if you have any trouble. Thanks for using Mudflap!
Ada
The refusal of credit line increase due to mudflap deciding that amount is sufficient eventhough fuel has skyrocketed and my trucks deplete almost all credit. Money is pulled out on Tuesdays and then not posted till 3 days later which leaves us unable to purchase fuel for those days.
Response from Mudflap, Inc.May 26, 2026
Hi Ada, we’re sorry this has caused issues keeping your trucks fueled. Credit line increases can happen over time with a history of on-time payments. Please email us at [email protected], and we’ll be happy to review your account and try to find a better solution.
Jim D.
They do not take this card at the pump. You have to walk inside . Then you have to figure out how much money to fill your tanks, so they can set the pumps. It is alot of screwing around.
Response from Mudflap, Inc.May 12, 2026
Hi Jim, we'd love to look into that issue for you. Give us a call at 1-888-885-3835 anytime so we can help. Hope to hear from you soon.