Best Diesel Repair Apps

205+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated May 2026

Finding the right diesel repair app can be overwhelming with so many options. We've analyzed 205+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Diesel Repair

Diesel Decoder#2

Diesel Decoder by Diesel Laptops LLC

Strong Contender
🔍 Reference
2.9(22 ratings)
FreeAdsIn-App Purchases
Diesel Decoder screenshot 1
Diesel Decoder screenshot 2
Diesel Decoder screenshot 3
Diesel Decoder screenshot 4
Diesel Decoder screenshot 5
Diesel Decoder screenshot 6

This Bluetooth diagnostics tool helps diagnose and troubleshoot heavy commercial vehicles by reading and clearing trouble codes, monitoring live data, and running bi-directional commands. It also generates reports that can be viewed, printed, or shared with others, providing a comprehensive solution for vehicle maintenance and repair.

Diesel VIN#3

Diesel VIN by Diesel Laptops LLC

Commercial Truck VIN Decoder
Worth Considering
🔍 Reference
3.0(6 ratings)
Free
Diesel VIN screenshot 1
Diesel VIN screenshot 2
Diesel VIN screenshot 3
Diesel VIN screenshot 4
Diesel VIN screenshot 5

This free reference app allows you to quickly decode commercial truck VINs to get detailed information, including manufacturer, make, model, type, fuel type, engine info and more. Sign up for free and start decoding VINs today.

More Diesel Repair apps to explore

4
OTR Diagnostics
OTR Diagnostics
OTR Diagnostics
Heavy-duty scan tool made easy
Free

Experience hassle-free heavy-duty truck diagnostics with a modern tool that offers real-time monitoring, fault code decoding, command execution, and historical data tracking. Take control of your vehicle's health with OTR Diagnostics. Subscribe now at www.otrperformance.com to access these features.

🔧 Utilities
(94)
5
RepairSolutions2
RepairSolutions2
RepairSolutions2
by Innova Electronics
Free

RepairSolutions2 offers valuable vehicle care and repair information for car owners, DIYers, and technicians. It pairs with OBD2 scanners to provide a comprehensive database with verified fixes, schedule repairs, and offers free vehicle care info. Get expert automotive help in one app.

🔧 Utilities
(33K)
6
Rig Mechanic
Rig Mechanic
Rig Mechanic
by Rig Technologies, Inc
Free

This application connects drivers with mechanics, streamlining the maintenance and repair process by allowing them to respond to service requests, track progress, and complete transactions securely within the app. With features like simple service responses, real-time tracking, and easy transacting, it provides a convenient solution for both parties.

📊 Productivity
(18)
7
FIXD OBD2 Scanner
FIXD OBD2 Scanner
FIXD OBD2 Scanner
Clear Your Check Engine Light
Free

An auto diagnostic application that decodes car issues into layman's terms, alerts you to maintenance needs, and now offers FIXD Premium for expert support from mechanics. Ensure your car's health and longevity with FIXD.

🔧 Utilities
(42)
8
Mudflap
Mudflap
Mudflap
Instant Diesel Discounts
Free

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!

🗺️ Navigation
(4)
9
Diesel Power Truck Repair
Diesel Power Truck Repair
Diesel Power Truck Repair
by SERGEY A DANILCHUK
Free
💼 Business
(0)
10
ASE A9 Exam Prep 2026
ASE A9 Exam Prep 2026
ASE A9 Exam Prep 2026
Diesel Engine Practice Test
Free
📚 Education
(0)
11
AtoB: Find and Save on Fuel
AtoB: Find and Save on Fuel
AtoB: Find and Save on Fuel
Make an impact on fuel costs
Free

Unlock big discounts on fuel with the AtoB App: find discounts, plan cost-saving routes, manage fleet finances, and secure card unlocking all in one place. Maximize your savings on fuel costs today!

🗺️ Navigation
(2.2K)
12
myMechanic Inc
myMechanic Inc
myMechanic Inc
by myMechanic Inc.
Free

This platform connects people with breakdowns to local diesel technicians, towing companies, and repair shops, providing a seamless solution for assistance. Get connected with the help you need, right where you are.

🔧 Utilities
(8)
13
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)
14
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.

🔧 Utilities
(6.1K)
15
Fuelbook
Fuelbook
Fuelbook
Truck Stop Diesel Prices
Free

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.

🗺️ Navigation
(55)
16
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.

🔧 Utilities
(4.8K)
17
TruckPaper: Trucks For Sale
TruckPaper: Trucks For Sale
TruckPaper: Trucks For Sale
Buy & Sell Commercial Trucks
Free

Discover a comprehensive platform for buying and selling new and used commercial trucks, trailers, and parts easily. Whether you need heavy-duty or medium-duty trucks, the app streamlines the search process for your convenience. Explore Truck Paper today!

💼 Business
(17K)
18
1A Auto: Parts & Repair Videos
1A Auto: Parts & Repair Videos
1A Auto: Parts & Repair Videos
Your source for DIY car repair
Free

Get instant diagnostics for your car issues by simply inputting the symptoms and accessing a database of solutions. Effortlessly troubleshoot and fix your vehicle with step-by-step guidance and recommendations.

🛍️ Shopping
(80)
19
TruckSmart ™
TruckSmart ™
TruckSmart ™
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)
20
TRQ Auto Parts & DIY Repairs
TRQ Auto Parts & DIY Repairs
TRQ Auto Parts & DIY Repairs
Your guide to DIY auto repairs
Free

Access step-by-step auto repair instructions with the TRQ Auto Parts app to save time and money. View before you do, ensuring you have the guidance and parts necessary for a successful repair.

📚 Education
(17)

Related searches