Best Mechanic Diesel Apps

246+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated August 2026

Whether you're new to mechanic diesel or looking for an upgrade, our curated collection of 246+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Mechanic Diesel Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1RPM Diesel ServicesRPM Diesel ServicesFree5.0★ (1)NoNoJul 2026
2ASE T2 Diesel Engine PrepASE T2 Diesel Engine PrepFreeNoYesJun 2026
3Diesel Power Truck RepairDiesel Power Truck RepairFreeNoNoMay 2026
4Rig DriverRig DriverFree4.6★ (16)NoNoJul 2026
5Stainless DieselStainless DieselFree5.0★ (1)NoNoMay 2026
6Ag Diesel SolutionsAg Diesel SolutionsFree5.0★ (1)NoNoMay 2026
7Ultimate Diesel Builders GuideUltimate Diesel Builders GuideFree4.9★ (8)NoYesAug 2026
8Diesel DecoderDiesel DecoderFree3.3★ (30)NoYesAug 2026

Top Picks for Mechanic Diesel

RPM Diesel Services#1

RPM Diesel Services by Brandon Gregory Green

Mobile Diesel Mechanic Service
Editor's Choice
💼 Business
5.0(1 ratings)
Free
RPM Diesel Services screenshot 1
RPM Diesel Services screenshot 2
RPM Diesel Services screenshot 3
RPM Diesel Services screenshot 4

This app connects West Texas customers with mobile diesel engine services. Schedule appointments, receive maintenance reminders, access digital service records, and easily look up or order parts.

More Mechanic Diesel apps to explore

4
Rig Driver
Rig Driver
Rig Driver
Diesel Mechanics, Quick Offers
Free

This app connects diesel vehicle owners with nearby mechanics for road service. Request towing, tires, or maintenance, receive offers within minutes, and track service progress in real-time. Pay easily within the app and consider subscribing for discounts.

Connects drivers with mechanicsReceive mechanic offersReal-time service tracking
💼 Business
(16)
free
5
Stainless Diesel
Stainless Diesel
Stainless Diesel
by Amy Gilbert
Free

Stay updated with all the latest from a business without needing social media accounts. This app consolidates all their activities in one easy-to-access location.

Centralized updatesNo social media account neededFollow business activities
💼 Business
(1)
free
6
Ag Diesel Solutions
Ag Diesel Solutions
Ag Diesel Solutions
Ag Diesel Solutions
Free

Easily identify the correct diesel engine module for your tractor, truck, or construction equipment. Avoid manual catalog searches by simply selecting your application within the app.

Identify tractor modulesIdentify truck modulesIdentify construction equipment modules
🔧 Utilities
(1)
free
7
Ultimate Diesel Builders Guide
Ultimate Diesel Builders Guide
Ultimate Diesel Builders Guide
by Engaged Media Inc.
Free

This digital magazine provides expert tips and tricks for building powerful, fuel-efficient diesel trucks. Discover the latest parts and technology to enhance your vehicle's performance and towing capabilities.

Diesel truck building tips and tricksPerformance and fuel economy adviceTowing performance enhancement
🌟 Lifestyle
(8)
free with in-app purchases
8
Diesel Decoder
Diesel Decoder
Diesel Decoder
by Diesel Laptops LLC
Free

This tool connects via Bluetooth to heavy commercial vehicles to read and clear diagnostic trouble codes. It displays live data, allows bi-directional commands, and generates shareable reports through a cloud platform. Requires dedicated hardware for operation.

Read/clear Diagnostic Trouble Codes (DTCs)View live data parametersRun bi-directional commands
🔍 Reference
(30)
free with in-app purchases
9
DDTP Store
DDTP Store
DDTP Store
DDTP Store Online
Free

This app offers a wide selection of diesel components and truck parts, from oil filters to complete engines. Expert technicians are available to assist with all trucking needs, providing knowledge on OEM and aftermarket options, as well as the company's own brand.

Diesel components and truck partsOil filters to 3/4 enginesOEM and aftermarket parts
🛍️ Shopping
(1)
free
10
Mechanic quiz game
Mechanic quiz game
Mechanic quiz game
Test and improve car Knowledge
Free

Test your automotive knowledge with a comprehensive quiz covering mechanical theory, car parts, and engineering principles. Learn about tools, history, and safety with over 300 questions. Ideal for mechanics, students, and car enthusiasts.

Covers automotive systems and engineering principles300+ questionsReal-time answers
📚 Education
(24)
ad-supported
11
myMechanic Inc
myMechanic Inc
myMechanic Inc
by myMechanic Inc
Free

This platform connects users experiencing vehicle breakdowns with local diesel technicians, towing services, and repair shops. It facilitates finding and booking necessary assistance for truck and heavy equipment repairs.

Connects with local diesel techniciansFinds towing companiesLocates repair shops
🔧 Utilities
(9)
free
12
NOZZLE CENTER
NOZZLE CENTER
NOZZLE CENTER
Diesel Fuel Injection Systems
Free
💼 Business
(0)
13
Diesel World
Diesel World
Diesel World
by Engaged Media Inc.
Free

Explore the world of diesel engines, from cars to trucks and motorsports. Get the latest news, in-depth reviews, and tech articles from seasoned automotive journalists. Fuel your passion for all things diesel with this comprehensive digital magazine.

Complete diesel-powered market coverageDiesel engine and trucking newsLatest diesel-powered car reviews
🌟 Lifestyle
(47)
free with in-app purchases
14
Red Repair for Mechanics
Red Repair for Mechanics
Red Repair for Mechanics
Easy Digital Inspections
Free
💼 Business
(0)
15
TorqueAI Mechanic
TorqueAI Mechanic
TorqueAI Mechanic
Fleet Maintenance Made Easy
Free
💼 Business
(0)
16
ASE A9 Exam Prep 2026
ASE A9 Exam Prep 2026
ASE A9 Exam Prep 2026
Diesel Engine Practice Test
Free
📚 Education
(0)
17
Rig Mechanic
Rig Mechanic
Rig Mechanic
by Rig Technologies, Inc
Free

This app connects drivers and mechanics for maintenance and repair services. It allows mechanics to respond to service requests, track progress, and handle transactions securely within the application.

Respond to service requestsSend offers for repairsReal-time service tracking
📊 Productivity
(18)
free
18
Test Prep for ASE L2 Exam 2026
Test Prep for ASE L2 Exam 2026
Test Prep for ASE L2 Exam 2026
Elect. Diesel Engine Diagnosis
Free

Prepare for the Electronic Diesel Engine Diagnosis (ASE L2) certification exam with practice questions, realistic simulations, and detailed explanations. Track your progress and tailor study plans for efficient learning.

Expertly crafted practice questionsRealistic exam simulationsDetailed explanations for answers
📚 Education
(1)
free with in-app purchases
19
EDS Diesel
EDS Diesel
EDS Diesel
Go further for less...
Free

Find nearby or route-based fueling stations and compare prices from your preferred vendors. Track your fuel expenses efficiently in one convenient location.

Find fueling stations nearbyLocate stations on a routeCompare fuel prices
💼 Business
(3)
free
20
WrenchWay
WrenchWay
WrenchWay
Auto, Diesel, & Collision
Free

This app connects automotive, diesel, and collision technicians with job opportunities and industry insights. It features detailed shop profiles, pay comparison tools, a professional community forum, and certification management.

Browse Top ShopsExplore Technician PayParticipate on Shop Talk
💼 Business
(8)
free

FAQ about Mechanic Diesel

What are the best mechanic diesel apps for iPhone?
RPM Diesel Services tops our mechanic diesel apps ranking as of August 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.
Yes — 20 of the top mechanic diesel apps we rank are free to download, including RPM Diesel Services and ASE T2 Diesel Engine Prep.
RPM Diesel Services has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 246+ mechanic diesel apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
RPM Diesel Services provides mobile diesel engine services including routine maintenance, diagnostics, and emergency repairs. The app facilitates scheduling these services directly with certified technicians.
RPM Diesel Services offers customizable maintenance reminders based on your equipment and usage. It also provides access to digital service records, allowing you to track past services and manage documents.