Best Vehicle Code Apps

239+ iOS apps curated and reviewed

3.6 avg rating
18 free apps
Updated August 2026

CA Vehicle Code 2026 is the household name in vehicle code, but it's far from the only option. We track 239+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Vehicle Code Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1CA Vehicle Code 2026CA Vehicle Code 2026$19.994.3★ (26)NoYesMay 2026
2CA Vehicle Code (California)CA Vehicle Code (California)Free4.7★ (86)NoYesAug 2026
3BlueDriver OBD2 Scan ToolBlueDriver OBD2 Scan ToolFree4.6★ (14K)NoNoAug 2026
4RTO Vehicle code informationRTO Vehicle code informationFreeNoNoAug 2026
5PA Vehicle Code Title 75PA Vehicle Code Title 75Free4.7★ (217)NoYesAug 2026
6OBD2 Trouble CodeOBD2 Trouble CodeFree3.3★ (297)NoNoAug 2026
7VIN decoder & VIN code scannerVIN decoder & VIN code scannerFree4.7★ (112)YesYesAug 2026
8OBD2 CodeOBD2 CodeFree3.3★ (3)NoNoMay 2026

Top Picks for Vehicle Code

CA Vehicle Code 2026#1

CA Vehicle Code 2026 by PDA Wizard

California Vehicle Statutes
Editor's Choice
🔍 Reference
4.3(26 ratings)
$19.99In-App Purchases
CA Vehicle Code 2026 screenshot 1
CA Vehicle Code 2026 screenshot 2
CA Vehicle Code 2026 screenshot 3
CA Vehicle Code 2026 screenshot 4
CA Vehicle Code 2026 screenshot 5

Access the complete California Vehicle Code offline on your iPhone or iPad. Search for specific sections quickly, read them aloud, and share or print them. This efficient app requires no internet connection and offers both portrait and landscape viewing.

CA Vehicle Code (California)#2

CA Vehicle Code (California) by Nirmala T V

California State Laws & Codes
Strong Contender
🔍 Reference
4.7(86 ratings)
FreeIn-App Purchases
CA Vehicle Code (California) screenshot 1
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CA Vehicle Code (California) screenshot 3
CA Vehicle Code (California) screenshot 4
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CA Vehicle Code (California) screenshot 6

Access California's vehicle laws offline with features like custom notes, highlighting, and bookmarks. Share articles via email and quickly search for specific information. Ideal for legal professionals, students, or anyone interested in California traffic regulations.

BlueDriver OBD2 Scan Tool#3

BlueDriver OBD2 Scan Tool by Lemur Vehicle Monitors

Fear No Fix™
Worth Considering
📊 Productivity
4.6😊(14K ratings)
Free
BlueDriver OBD2 Scan Tool screenshot 1
BlueDriver OBD2 Scan Tool screenshot 2
BlueDriver OBD2 Scan Tool screenshot 3
BlueDriver OBD2 Scan Tool screenshot 4
BlueDriver OBD2 Scan Tool screenshot 5

This app turns your smartphone into a powerful OBD2 scan tool. It allows you to read and clear trouble codes, view live data, and generate detailed repair reports for your vehicle. Understand your car's issues and make informed repair decisions.

What We Love

  • 👍 Easy to use
  • 🚀 Excellent diagnostic capabilities
  • 💰 Great value for money
  • 🔍 Detailed fault code information

Room to Improve

  • 🐛 Occasional Bluetooth connectivity issues
  • ⚠️ Limited support for some vehicle makes/models
  • 🚫 Cannot read odometer information

More Vehicle Code apps to explore

4
RTO Vehicle code information
RTO Vehicle code information
RTO Vehicle code information
Car info - Number Plate Search
Free

Find detailed information about vehicles using their registration codes. Search by state or city to discover RTO codes and associated locations. Get vehicle origin details instantly.

Search by vehicle codeFind state and city of vehicleSearch RTO codes by city
📊 Productivity
(0)
free
5
PA Vehicle Code Title 75
PA Vehicle Code Title 75
PA Vehicle Code Title 75
Statutes of Pennsylvania Laws
Free

Access Pennsylvania vehicle code statutes offline, with features for note-taking, bookmarking, and sharing articles. Ideal for legal professionals, students, or anyone interested in Pennsylvania traffic laws.

Offline accessCustom notes and highlightingCustomized bookmarks
🔍 Reference
(217)
subscription
6
OBD2 Trouble Code
OBD2 Trouble Code
OBD2 Trouble Code
OBD ll Code Reader Guide
Free

Instantly look up your car's check engine codes on the go. Access a vast database of OBD2 codes with descriptions and potential causes for all major manufacturers. Save your search history for quick reference.

OBD2 code lookupCheck engine code descriptionsPossible cause identification
🔧 Utilities
(297)
free
7
VIN decoder & VIN code scanner
VIN decoder & VIN code scanner
VIN decoder & VIN code scanner
VIN check - get vehicle info
Free

Instantly decode any vehicle's VIN with this app. It offers both manual input and a VIN scanner for quick, accurate vehicle information, including auction history and average pricing.

VIN code decodingReal-time VIN scannerVIN code recognition from text
🔧 Utilities
(112)
free with in-app purchases
8
OBD2 Code
OBD2 Code
OBD2 Code
by Liang-Hung Publishing
Free

This app serves as a reference for standard Diagnostic Trouble Codes (DTCs). It helps users understand fault codes generated by a vehicle's onboard computer, aiding in problem diagnosis.

Diagnostic Trouble Code referenceVehicle fault code lookupProblem diagnosis aid
🔍 Reference
(3)
free
9
Obd2 Codes List
Obd2 Codes List
Obd2 Codes List
OBD ll (obd2) codes list
$0.99

Instantly look up check engine codes for virtually any car. Access a vast database of generic and manufacturer-specific fault codes with descriptions and potential causes, even offline.

Extensive OBD2 code databaseOffline accessSupports all major manufacturers
🔍 Reference
(2)
paid
10
Decode RPO
Decode RPO
Decode RPO
GM Vehicle VIN & Label decoder
Free

Instantly decode GM vehicle RPO codes by scanning the QR code on your vehicle's label. Get a clear list of factory options installed on your car, making it easy to understand its specifications. Supports 2017 and newer model years.

Scan GM vehicle QR codesDecode RPO (Regular Production Option) codesGet clear descriptions of factory options
🔧 Utilities
(3)
ad-supported
11
OBD ll Codes Multi Language
OBD ll Codes Multi Language
OBD ll Codes Multi Language
obd2 codes list
Free

Instantly look up your car's check engine code with this comprehensive guide. Access descriptions and potential causes for codes from major manufacturers, supporting 15 languages. Empower yourself with knowledge to avoid being overcharged by mechanics.

OBD2 code lookupCheck engine code descriptionsPossible cause identification
🔧 Utilities
(6)
free
12
BeenVerified: Vehicle Check
BeenVerified: Vehicle Check
BeenVerified: Vehicle Check
Run VIN/License Plate Searches
Free

Investigate vehicle history using VIN or license plate numbers. Get reports on potential issues, safety recalls, and warranty coverage. Make informed decisions when buying, selling, or maintaining a car.

VIN number lookupLicense plate searchVehicle history reports
🌟 Lifestyle
(346)
ad-supported
13
OBD2 Codes Pro Auto offline
OBD2 Codes Pro Auto offline
OBD2 Codes Pro Auto offline
Complete List of OBD Codes
Free

Access a comprehensive offline database of OBD2 (OBDII) codes for all major car manufacturers. Look up check engine codes, view descriptions, and identify possible causes on the go. Save your search history for quick reference.

Offline OBD2 code databaseGeneric and manufacturer-specific codesCheck engine code descriptions
🔧 Utilities
(15)
free
14
GeekOBD-OBD2 Code Reader
GeekOBD-OBD2 Code Reader
GeekOBD-OBD2 Code Reader
Check Engine, Live Data, DTC
Free

This app connects to your car's diagnostic adapter to provide real-time vehicle data. Monitor fuel consumption, diagnose faults, and receive timely warnings for potential issues. It also offers customizable displays and driving habit analysis.

Real-time vehicle dataFault diagnosis and readingFuel consumption monitoring
🗺️ Navigation
(2)
free with in-app purchases
15
New York Vehicle and Traffic Code (LawStack Ser.)
New York Vehicle and Traffic Code (LawStack Ser.)
New York Vehicle and Traffic Code (LawStack Ser.)
by Tekk Innovations LLC
Free

Access the complete New York Vehicle and Traffic Code on your mobile device. Features include offline access, custom notes, highlighting, and full-text search. Share content easily with colleagues.

Complete offline accessCustom bookmarks, highlighting, and notesFull-text and advanced search
🔍 Reference
(1)
free with in-app purchases
16
Find Radio Code Instantly
Find Radio Code Instantly
Find Radio Code Instantly
Instant Codes, Zero Hassle
Free

Retrieve your car's radio unlock code by entering the serial number found on the radio's label. This service provides instant access to codes for various car manufacturers and radio brands after a one-time purchase.

Enter radio serial number for code retrievalInstant code availability after paymentSupports numerous car manufacturers
🔧 Utilities
(7)
free with in-app purchases
17
OBD2 Enhance Trouble Code Lite
OBD2 Enhance Trouble Code Lite
OBD2 Enhance Trouble Code Lite
Find DTCs Definition and Cause
Free

This app provides definitions and potential causes for On-Board Diagnostics (OBD) trouble codes. It covers a wide range of generic and manufacturer-specific codes for numerous vehicle models, helping users understand and potentially fix error codes.

DTC definitions from workshop manualsPossible causes for error codesCovers 73 vehicle models
🔍 Reference
(7)
ad-supported
18
Renault Dacia Radio Code Fast
Renault Dacia Radio Code Fast
Renault Dacia Radio Code Fast
Instant Codes, Zero Hassle
Free
🔧 Utilities
(0)
19
Club Car Wash
Club Car Wash
Club Car Wash
by Club Car Wash Operating, LLC
Free

Manage your car wash membership, track rewards, and find nearby locations. Easily handle your plan details, earn points for exclusive gifts, and send digital gift cards. Refer friends to earn more rewards and access support directly through the app.

Find nearby car wash locationsManage membership plansTrack and redeem rewards
💼 Business
(110)
free
20
Radio Code Generator & Finder
Radio Code Generator & Finder
Radio Code Generator & Finder
Car Radio Code Unlocker
Free

Instantly generate and unlock car stereo codes using your vehicle's registration number or VIN. This tool supports a wide range of car brands and radio models, providing a safe and permanent solution for unlocking your car radio after a power outage.

Generate car radio serial codesUnlock car stereo codesSupports most car brands
🔧 Utilities
(7)
free

FAQ about Vehicle Code

What are the best vehicle code apps for iPhone?
CA Vehicle Code 2026 tops our vehicle code apps ranking as of August 2026, with a 4.3-star average from 26 App Store ratings, and it's priced at $19.99.
Yes — 18 of the top vehicle code apps we rank are free to download, including CA Vehicle Code (California) and BlueDriver OBD2 Scan Tool.
CA Vehicle Code 2026 has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 239+ vehicle code apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The CA Vehicle Code app provides the full text of the California Vehicle Code in an easily readable and searchable format for your iPhone, iPad or iPod Touch. It allows for offline access to all statutes.
No, the CA Vehicle Code app does not require a network connection. The full Vehicle Code is stored on your device, allowing for efficient use without internet access.

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