Best Diesel Emission Fluid Locator Apps

214+ iOS apps curated and reviewed

4.7 avg rating
18 free apps
Updated June 2026

Out of 214+ diesel emission fluid locator apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Diesel Emission Fluid Locator

Trucker Path: Truck GPS & Fuel#1

Trucker Path: Truck GPS & Fuel by Trucker Path Inc.

Diesel Saving, Parking, Maps
Editor's Choice
πŸ—ΊοΈ Navigation
4.8😊(143K ratings)
FreeAdsIn-App Purchases
#2in Navigation
Trucker Path: Truck GPS & Fuel screenshot 1
Trucker Path: Truck GPS & Fuel screenshot 2
Trucker Path: Truck GPS & Fuel screenshot 3
Trucker Path: Truck GPS & Fuel screenshot 4
Trucker Path: Truck GPS & Fuel screenshot 5
Trucker Path: Truck GPS & Fuel screenshot 6

An advanced truck GPS application designed to provide truck drivers with accurate routing, fuel prices, truck stops, and other essential information for their journeys. Perfect for simplifying long-haul trips and optimizing route planning. Download now to streamline your trucking experience.

What We Love

  • πŸš€ Best app for professional drivers
  • πŸ‘ Helpful for truck navigation
  • πŸ‘ Useful for finding truck stops and parking
  • πŸ‘ Provides good truck routes

Room to Improve

  • πŸ› Navigation issues with routing
  • πŸ› Glitches and bugs in the app
  • πŸ’° Expensive subscription cost
Fuelbook#2

Fuelbook by Fuelbook LLC

Truck Stop Diesel Prices
Strong Contender
πŸ—ΊοΈ Navigation
4.8😞(55 ratings)
Free
Fuelbook screenshot 1
Fuelbook screenshot 2
Fuelbook screenshot 3
Fuelbook screenshot 4
Fuelbook screenshot 5
Fuelbook screenshot 6

Find nationwide truck stop diesel prices with a trusted tool used by professional truck drivers since 2010. Save on fuel stops with over 5000 prices available. Start now and optimize your savings.

What We Love

  • πŸ’° Helps save money on fuel
  • πŸ—ΊοΈ Useful route planning and fuel stop search
  • ⭐ Overall great app when it works

Room to Improve

  • πŸ› Frequent bugs and glitches
  • πŸ”„ Unreliable and inconsistent performance
  • πŸ“ Inaccurate or missing fuel stop information
Mudflap#3

Mudflap by Mudflap Inc.

Instant Diesel Discounts
Worth Considering
πŸ—ΊοΈ Navigation
4.7😊(4.3K ratings)
FreeAds
#48in Navigation
Mudflap screenshot 1
Mudflap screenshot 2
Mudflap screenshot 3
Mudflap screenshot 4
Mudflap screenshot 5
Mudflap screenshot 6

An app that offers instant diesel discounts for truckers at over 2300 stops nationwide, without minimum gallon requirements or waiting for rebates. Simply download the app, connect your payment method, choose a truck stop, and start saving on fuel today!

What We Love

  • πŸ’° Significant fuel savings
  • πŸ” Convenient fuel price comparison
  • ⚑ Easy to use app
  • 🀝 Helpful customer support

Room to Improve

  • ⏳ Lengthy account verification process
  • πŸ’³ Long hold times on payment cards
  • 🚫 Limited participating fuel stations

More Diesel Emission Fluid Locator apps to explore

4
10-4 by WEX
10-4 by WEX
10-4 by WEX
Diesel savings for truckers
Free
πŸ—ΊοΈ Navigation
(3.4K)
5
TruckMap - Truck GPS Routes
TruckMap - Truck GPS Routes
TruckMap - Truck GPS Routes
Truck Navigation, Maps, & GPS
Free

TruckMap is a specialized GPS navigation app tailored for truck drivers, providing optimized routes, real-time traffic updates, and weight limit notifications. Experience smoother and safer journeys with TruckMap.

πŸ—ΊοΈ Navigation
(76K)
6
Greenlane - Fuel Smarter
Greenlane - Fuel Smarter
Greenlane - Fuel Smarter
Deep Diesel Discounts
Free

Save up to $7,700 per year on diesel fuel with Greenlane. Access fleet level savings at major truck stops with no hidden fees or subscriptions.

πŸ—ΊοΈ Navigation
(954)
7
OBD Fusion
OBD Fusion
OBD Fusion
OBD2 scan tool & diagnostics
$9.99

Access real-time data from your car's onboard diagnostic system with this powerful OBD2 scan tool. Monitor and analyze your vehicle's performance, troubleshoot issues, and make informed maintenance decisions. Get insights and stay on top of your car's health with OBD Fusion now!

✈️ Travel
(31)
8
IQAir AirVisual | Air Quality
IQAir AirVisual | Air Quality
IQAir AirVisual | Air Quality
Air quality, Wildfire & Pollen
Free

Monitor air quality and receive real-time updates on pollution levels and wildfires in your area with this app. Stay informed and take necessary precautions to protect your health and well-being.

β˜€οΈ Weather
(42K)
9
OBD2 Car Scanner - EOBD Facile
OBD2 Car Scanner - EOBD Facile
OBD2 Car Scanner - EOBD Facile
Torque ELM327 Diagnostic Tool
Free

An ultimate OBD2 Bluetooth car scanner app that helps diagnose engine and transmission issues by connecting to an ELM327 adapter. View and clear fault codes, see real-time data, and track trip records with this powerful tool. Check compatibility with your vehicle and access accurate diagnostics to take control of your car maintenance.

πŸ”§ Utilities
(36)
10
DashCommand - OBD-II Gauges
DashCommand - OBD-II Gauges
DashCommand - OBD-II Gauges
OBD-II Dashboards, Scan Tool
$9.99

Transform your iPhone into a customizable monitoring system with DashCommand - a professional OBD-II app for monitoring engine performance, fuel economy, and more. Easily read and clear check engine lights, track G-forces, map race tracks, and log OBD-II data. Check out a video of DashCommand in action: [here](https://www.youtube.com/watch?v=y12tbLmf_J0). Explore compatible hardware options: [here](http://palmerperformance.com/hardware).

⚽ Sports
(2.1K)
11
Filtrete Smart
Filtrete Smart
Filtrete Smart
A smart way to cleaner air.
Free
🌟 Lifestyle
(51K)
12
Car Scanner | OBD Auto Doctor
Car Scanner | OBD Auto Doctor
Car Scanner | OBD Auto Doctor
OBD2 diagnostics for ELM 327
Free

Turn your mobile phone into a powerful automotive car scanner with this leading OBD2 car diagnostics tool. Quickly read diagnostic trouble codes, track vehicle data in real-time, and monitor sensor data to enhance your car knowledge and performance. See https://www.obdautodoctor.com/help/articles/obd2-compatible-cars/ for compatible vehicles.

πŸ”§ Utilities
(6.1K)
13
TruckSmart β„’
TruckSmart β„’
TruckSmart β„’
by TravelCenters of America
Free

An all-in-one mobile application for truckers, offering easy access to TA, Petro and TA Express services like fueling, dining, maintenance, and more. Features include interactive maps, real-time amenities, fuel prices, point redemption, road assistance, and advanced pump activation. Call-to-action: Enhance your trucking experience with convenient on-the-go services - download now!

✈️ Travel
(19K)
14
Alternative Fueling Stations
Alternative Fueling Stations
Alternative Fueling Stations
by National Renewable Energy Laboratory
Free

Discover nearby alternative fueling stations with the app that locates electricity, natural gas, biodiesel, E85, propane, or hydrogen stations within a 30-mile radius. Access station details, such as contact info, hours, services offered, and payment types, sourced from the U.S. Department of Energy's database of over 15,000 stations across the United States. Find sustainable fuel options easily and make greener choices today.

πŸ—ΊοΈ Navigation
(6.4K)
15
Multi Service Fuel Card
Multi Service Fuel Card
Multi Service Fuel Card
Truck stop, fuel price locator
Free

Find and compare prices at over 6,500 high-flow diesel truck stops in the U.S., select stops based on your preferences and route. If you're a Multi Service Fuel Card customer, access exclusive discounts and manage your cards.

✈️ Travel
(19)
16
Motive Driver
Motive Driver
Motive Driver
ELD, Safety and DVIR
Free

The Motive Driver app simplifies Hours of Service (HOS) recording and ELD compliance for commercial drivers. Stay compliant, track HOS, and manage inspections effortlessly with this user-friendly tool. Remember to download now for hassle-free fleet management.

πŸ’Ό Business
(11K)
17
Mila Air
Mila Air
Mila Air
World's smartest air purifier
Free

Discover a smart air purifier that monitors and improves your home's air quality effortlessly. With real-time insights and customizable settings, this HEPA purifier is smart, simple, and affordable. Learn more at [https://milacares.com](https://milacares.com).

🌟 Lifestyle
(4.7K)
18
Diesel Repair Mobile
Diesel Repair Mobile
Diesel Repair Mobile
The Ultimate Truck Repair App
Free
πŸ” Reference
(2)
19
OBDLink
OBDLink
OBDLink
by OBD Solutions LLC
Free

Turn your phone or tablet into a powerful diagnostic scan tool with this app, designed exclusively for use with OBDLink MX, CX, and MX WiFi adapters. Enjoy features such as checking and clearing trouble codes, real-time data display, emissions readiness, fuel economy estimation, customizable dashboards, and more. Get detailed insights into your vehicle's performance effortlessly!

✈️ Travel
(12K)
20
Ultimate Diesel Builders Guide
Ultimate Diesel Builders Guide
Ultimate Diesel Builders Guide
by Engaged Media Inc.
Free

This digital magazine subscription app provides a comprehensive guide for diesel truck owners, offering tips, tricks, and resources for building and customizing their vehicles, including performance upgrades, parts, and accessories. Download the app to access a wealth of information and start building your dream diesel truck today.

🌟 Lifestyle
(7)