Save on diesel fuel at over 2,800 truck stops nationwide with instant discounts. Access free, truck-safe GPS navigation that avoids low bridges and weight restrictions. Simply link your card to start saving.
Summarized from real user reviews of Mudflap. Based on 4.5K reviews and a 4.7/5 average, it highlights the 5 positives and 4 negatives reviewers mention most about this Navigation app.
3.39.4
September 8, 2026
Bug fixes and performance improvements
2 issues
Inconsistent discount amounts
Unexpected account deactivations
4 requests
Expand fuel station network
Faster account verification
The Mudflap app helps drivers save money on diesel fuel by providing instant discounts at over 2,800 truck stops across the U.S. It also offers free, truck-safe GPS navigation that avoids low bridges, weight limits, and restricted roads.
To get diesel discounts, download the secure app, choose a Mudflap truck stop, connect your debit or credit card, and receive a fuel savings code within the app. There are no credit checks or waiting periods required.
Yes, the truck-safe GPS navigation feature is completely free. You can access reliable routes that are designed to avoid common restrictions for trucks, such as low bridges and weight limits, by heading to the Navigation tab in the app.
Discounts are available at over 2,800 truck stops nationwide. This includes major chains like TA Petro, Speedway, Kwik Trip, Sapp Bros, Casey’s, Maverik, AMBEST, and Road Ranger, among many others.
The Mudflap support team is available 24/7 to assist you. You can reach them by calling 888-885-3835 or by emailing support@mudflapinc.com.
