Ellwyn T.
Great App
It is so simple to use and great to get a discount on fuel.

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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Ellwyn T.
It is so simple to use and great to get a discount on fuel.
David O.
Going to have to stop using ya other people are getting a better discount than I am. What’s up with that?
Response from Mudflap, Inc.Jun 9, 2025
Hi David, Thanks for taking the time to leave us a review. We do occasionally run promotions for our drivers. Our goal is to provide consistently great fuel discounts, and while some promotions may offer extra savings, we remain committed to helping drivers save on fuel long-term. Other folks could be seeing bigger discounts with discount boosters—drivers get points for every gallon purchased on Mudflap. Those points unlock more fuel discounts so drivers taking advantage of boosters will see bigger discounts than drivers who aren’t. Anyone is welcome to use boosters. You can learn more about boosters in your Mudflap dashboard when you open the app. We hope this helps!
Fuller Electric, L.
Have had a great experience with Mud Flap for 3 years. We travel in a motor home 7 months a year. Have been able to find a Mud Flap station 99% of the time. Really like code at the pump!
Charley P.
It is nice to get discounts on fuel when traveling the country
Gerard J.
Just having a selection of stations to fill at. Always easy to use code, either directly at pump, or at fuel desk. Never had an issue with correct billing as well.
Mike T.
Easy to use and the pricing is very good
ken T.
We are RVer's - Mudflap saves us $100's of dollars in fuel each year - I tell all my friends who drive a diesel to join Mudflap - pulling a 36' 5th wheel using the truck fuel lanes make fueling easy
Emmanuel C.
I have been using Mudflap for about 4 years now and I like using it any time when there are fueling stations that participate in their network where ever I am. They make it easy to use, and the best feature is the ability to keep track of previous purchases. There could be some improvements made on downloading the IFTA reports such as an option to download PDF format of the report. Some of the fueling stations that work with Mudflap should train employees better on using the system and enabling the pumps for fueling. Some places don't know to operate the system well. This is more of an issue of the stores lack of responsibility to train their staff well and sometimes its the staff's lack of eagerness to learn or work at all. Other than these two key points that could use imporvement, Mudflap is great app and provides a good service.