Best Diesel Decoder Apps

190+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated June 2026

Whether you're new to diesel decoder or looking for an upgrade, our curated collection of 190+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Diesel Decoder

Diesel Decoder#1

Diesel Decoder by Diesel Laptops LLC

Editor's Choice
🔍 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 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.

Diesel VIN#2

Diesel VIN by Diesel Laptops LLC

Commercial Truck VIN Decoder
Strong Contender
🔍 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

Decode commercial truck VINs quickly and easily. Get detailed information such as manufacturer, make, model, fuel type, and engine specifications. This free reference app provides comprehensive data for commercial vehicles.

Diesel Repair Mobile#3

Diesel Repair Mobile by Diesel Laptops LLC

The Ultimate Truck Repair App
Worth Considering
🔍 Reference
5.0(2 ratings)
FreeIn-App Purchases
Diesel Repair Mobile screenshot 1
Diesel Repair Mobile screenshot 2
Diesel Repair Mobile screenshot 3
Diesel Repair Mobile screenshot 4
Diesel Repair Mobile screenshot 5

This app provides heavy-duty truck technicians with instant access to a vast database of repair information, fault code lookups, and diagnostic procedures. It offers VIN decoding, wiring diagrams, and parts cross-referencing to streamline repairs. The platform is accessible on mobile devices and computers, syncing data across all your tools.

More Diesel Decoder apps to explore

4
OBD2 Car Scanner - EOBD Facile
OBD2 Car Scanner - EOBD Facile
OBD2 Car Scanner - EOBD Facile
Torque ELM327 Diagnostic Tool
Free

Transform your smartphone into a professional car diagnostic tool. Read and clear engine fault codes, monitor real-time sensor data, and perform advanced diagnostics without a mechanic. Supports a wide range of OBD2 compliant vehicles.

Read and clear engine fault codesMonitor real-time sensor dataTurn off check engine light
🔧 Utilities
(4.9K)
free with in-app purchases
5
OTR Diagnostics
OTR Diagnostics
OTR Diagnostics
Heavy-duty scan tool made easy
Free

This app helps heavy-duty truck owners diagnose and resolve common issues like fault codes, regen problems, and derates. It provides plain-language explanations of error codes, allows for bi-directional commands to fix issues, and monitors live truck data to prevent downtime.

AI-powered fault code explanationBi-directional commands for repairsReset active/inactive fault codes
🔧 Utilities
(96)
free with in-app purchases
6
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
(46)
free with in-app purchases
7
10-4 by WEX
10-4 by WEX
10-4 by WEX
Diesel savings for truckers
Free

This app helps truckers find and pay less for diesel fuel nationwide. It provides a fuel map with discounts at popular truck stops and allows secure payment directly through the app. Users can track their purchases, rewards, and savings.

Nationwide fuel mapDiesel discount finderSecure in-app payment
🗺️ Navigation
(3.4K)
free
8
TrackEnsure ELD
TrackEnsure ELD
TrackEnsure ELD
by TrackEnsure Incorporated
Free

This app offers an FMCSA-compliant Electronic Logging Device (ELD) and Hours of Service (HOS) solution for owner-operators and fleet owners. It includes features for driver vehicle inspection reports (DVIR), IFTA reporting, and driver/truck management, all accessible through a web account with advanced reporting and integration capabilities.

FMCSA compliant ELD/HOSDVIR solutionIFTA solution
💼 Business
(158)
free
9
OBDLink
OBDLink
OBDLink
by OBD Solutions LLC
Free

Transform your phone into a powerful car diagnostic tool. Read and clear trouble codes, monitor real-time engine data, and track fuel economy. Generate detailed reports for easy sharing and analysis.

Read and clear diagnostic trouble codesDisplay real-time vehicle dataCustomizable dashboards
✈️ Travel
(12K)
free with in-app purchases
10
clever-tanken.de
clever-tanken.de
clever-tanken.de
Spritpreise checken & sparen
Free

Find the cheapest fuel and charging stations across Germany. Receive price alerts, view station details, and discover exclusive offers. Optimize your refueling and charging with real-time data.

Price alarm notificationsInteractive map for best pricesExclusive offers and guarantees
🗺️ Navigation
(165)
free with in-app purchases
11
Bosch Mobile Scan
Bosch Mobile Scan
Bosch Mobile Scan
by Service Solutions US LLC
Free

This app allows users to perform vehicle diagnostics using their smartphone when paired with a special adapter. It helps identify and clear diagnostic trouble codes, review emissions status, and access live sensor data for faster repairs.

Read and erase OBD II codesView emissions status (QuickCheck™)Automatic vehicle identification (AutoID™)
📊 Productivity
(130)
free with in-app purchases
12
OBD JScan
OBD JScan
OBD JScan
by Piotr Bialic
Free

This app provides advanced diagnostics for Jeep, Chrysler, and Dodge vehicles. It allows users to read and clear trouble codes, view live sensor data, and access settings across all vehicle modules, including ABS and transmission.

Read/Clear Diagnostic Trouble CodesAccess Live Data from all sensorsView vehicle settings
🔧 Utilities
(1.3K)
free with in-app purchases
13
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
14
BimmerLink
BimmerLink
BimmerLink
by SG Software GmbH & Co. KG
Free
$39.99 | 100% OFF

This app provides direct access to your BMW or MINI vehicle's systems. Read and clear trouble codes from all control units, monitor real-time sensor values, and control features like exhaust flaps and active sound design. It also supports battery registration, DPF regeneration, and service resets.

Read and clear trouble codes from all control unitsDisplay real-time sensor valuesRemote control of exhaust flap
📊 Productivity
(7.6K)
free with in-app purchases
15
OBD2 Scanner ELM327: GaragePro
OBD2 Scanner ELM327: GaragePro
OBD2 Scanner ELM327: GaragePro
OBD Scanning at turbo speed!
Free

This app provides comprehensive OBD scanning for vehicles, allowing users to read and clear fault codes from various ECUs, monitor live sensor data, and perform special functions like DPF regeneration and injector coding. It supports over 100 vehicle makes and offers detailed reports and diagnostic assistance.

Read and delete fault codes from any ECUMonitor over 200 live sensor data pointsPerform special OBD functions
🔧 Utilities
(15)
free with in-app purchases
16
OBDeleven – OBD2 car scanner
OBDeleven – OBD2 car scanner
OBDeleven – OBD2 car scanner
Diagnostics, service & coding
Free

Transform your smartphone into a powerful car diagnostic and customization tool. Easily scan trouble codes, monitor live data, and access advanced features like coding and service functions for a wide range of car brands. Save time and money on car maintenance and personalization.

Basic OBD2 diagnosticsLive data monitoringAdvanced diagnostics for licensed brands
🔧 Utilities
(1.1K)
free with in-app purchases
17
FuelApp by CloudTrucks
FuelApp by CloudTrucks
FuelApp by CloudTrucks
Save up to $1/gal at the pump
Free

Find discounted diesel fuel at major truck stops nationwide. Securely pay at the pump using fuel codes without needing to go inside. Save money on every gallon with no hidden fees.

Major diesel discountsSave up to $1/gallonSecure at-the-pump payments
🗺️ Navigation
(14)
free
18
VIN decoder for Mercedes Benz
VIN decoder for Mercedes Benz
VIN decoder for Mercedes Benz
by Yury Nazarchuk
Free

Decode your Mercedes-Benz, Maybach, or Smart VIN to access its data card information instantly. Get quick results, a full datacard, and export your findings in PDF format. This tool is specifically for Daimler AG vehicles.

VIN decoding for Daimler AG vehiclesFull datacard informationQuick response time
🔧 Utilities
(11)
ad-supported
19
TruckSmart ™
TruckSmart ™
TruckSmart ™
by TravelCenters of America
Free

Plan your routes with a comprehensive map of service locations. Find essential amenities like fuel, food, maintenance, and showers. Manage loyalty points and access 24/7 roadside assistance.

Interactive map of service locationsDetailed amenity listingsReal-time shower and parking availability
✈️ Travel
(19K)
free
20
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