1. Home
  2. Topics
  3. Engine Light Code Lookup

Best Engine Light Code Lookup Apps

0+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated June 2026

FIXD OBD2 Scanner is the household name in engine light code lookup, but it's far from the only option. We track 0+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Engine Light Code Lookup

FIXD OBD2 Scanner#1

FIXD OBD2 Scanner by FIXD Automotive Inc

Clear Your Check Engine Light
Editor's Choice
🔧 Utilities
4.6😐(26K ratings)
FreeAdsIn-App Purchases
#43in Utilities
FIXD OBD2 Scanner screenshot 1
FIXD OBD2 Scanner screenshot 2
FIXD OBD2 Scanner screenshot 3
FIXD OBD2 Scanner screenshot 4
FIXD OBD2 Scanner screenshot 5
FIXD OBD2 Scanner screenshot 6

This app translates your car's diagnostic trouble codes into plain language, helping you understand potential issues and their severity. It provides maintenance reminders and offers advanced features like issue forecasting and emissions pre-checks with a premium subscription.

What We Love

  • 👍 Easy to use
  • 🚀 Quickly identifies problems
  • 💰 Saves money on mechanics
  • 🔍 Provides detailed diagnostic information

Room to Improve

  • 🔒 Requires subscription for full functionality
  • 💰 Expensive premium subscription
  • 🤖 Inconsistent performance across vehicles
Flashlight & Morse Utility#2

Flashlight & Morse Utility by Daniel Kiefer

You can even do morse code
Strong Contender
🔧 Utilities
4.6😊(3.7K ratings)
FreeAdsIn-App Purchases
Flashlight & Morse Utility screenshot 1
Flashlight & Morse Utility screenshot 2
Flashlight & Morse Utility screenshot 3

This utility app provides a powerful flashlight with adjustable brightness and three distinct modes: torch, morse code, and strobe. It offers a super-fast startup and can even translate text into morse code for various uses.

What We Love

  • 🚀 Excellent light
  • 👍 User-friendly and basic to use
  • 👍 Bright and wide-coverage beam
  • 👍 Handy and convenient

Room to Improve

  • 🐛 Crashes on startup after update
  • 🔋 Keeps turning off
  • 🐛 Slow to start
OBD2 Trouble Code#3

OBD2 Trouble Code by Hassan Benessafi

OBD ll Code Reader Guide
Worth Considering
🔧 Utilities
3.3😞(297 ratings)
Free
OBD2 Trouble Code screenshot 1
OBD2 Trouble Code screenshot 2
OBD2 Trouble Code screenshot 3
OBD2 Trouble Code screenshot 4

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.

What We Love

  • 📚 Comprehensive OBD code database
  • 👍 Easy to navigate interface
  • 💡 Helpful for understanding car diagnostic codes
  • ⚡ Useful for mechanical troubleshooting

Room to Improve

  • 😤 Forced review requirement before app usage
  • 📺 Excessive ads throughout the app
  • 🔋 High battery consumption

More Engine Light Code Lookup apps to explore

4
BimmerCode
BimmerCode
BimmerCode
by SG Software GmbH & Co. KG
Free

Unlock hidden features and customize your BMW, MINI, or Toyota Supra. This app allows you to individually configure your vehicle for a personalized driving experience. Requires a compatible OBD adapter.

Code BMW, MINI, Toyota SupraDiscover hidden featuresIndividual vehicle configuration
📊 Productivity
(20K)
free with in-app purchases
5
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
6
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
7
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
8
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
9
Engine Link - OBD II diagnosis
Engine Link - OBD II diagnosis
Engine Link - OBD II diagnosis
Vehicle monitoring & diagnosis
$5.99

Transform your iPhone into a powerful vehicle diagnostics tool. Monitor real-time performance, read and clear fault codes, and customize your dashboard with detailed sensor data. Supports emission testing and offers a HUD mode for night driving.

Real-time vehicle monitoringRead and clear OBD fault codesCustomizable gauges and dashboards
🔧 Utilities
(61)
free
10
Koder Code Editor
Koder Code Editor
Koder Code Editor
(S)FTP, Dropbox, Webdav, SSH
Free

A powerful code editor for mobile devices, offering syntax highlighting for over 80 languages, remote file access, and a built-in terminal. Perfect for developers who need to code on the go with a well-designed interface.

Syntax highlighting for 80+ languagesRemote file access (SFTP, Dropbox, WebDAV)Built-in SSH client
🛠️ Developer Tools
(9.3K)
paid
11
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
(1.2K)
free with in-app purchases
12
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
13
Electrical Code-A-Day
Electrical Code-A-Day
Electrical Code-A-Day
Quiz for Electricians
Free

Test your electrical knowledge daily with a new question based on the US electrical code. Perfect for apprentices, journeymen, and masters seeking to learn or refresh their understanding of electrical concepts and regulations.

Daily electrical code questionsQuestions written by a real electricianCovers a wide range of electrical topics
📊 Productivity
(8.6K)
free
14
Torque Pro : OBD2 Car Scanner
Torque Pro : OBD2 Car Scanner
Torque Pro : OBD2 Car Scanner
Torque OBD2 Car Scanner ELM
Free
$12.99 | 100% OFF

Transform your phone into a powerful car diagnostic tool. Read and clear trouble codes, monitor live sensor data, and analyze performance with real-time graphs. Get AI-powered insights and detailed vehicle history reports.

Read and clear trouble codes (DTCs)Live sensor data monitoring and loggingAI-powered trouble code explanations
🔧 Utilities
(393)
subscription
15
Plate Lookup
Plate Lookup
Plate Lookup
Find Make, Model, Year & More!
Free

Instantly identify vehicles by their license plate. Get details like make, model, year, engine specs, and even a photo. Perfect for car enthusiasts or anyone curious about a vehicle on the road.

License plate lookupVehicle make and modelYear and trim details
🔧 Utilities
(44)
free with in-app purchases
16
AutoCode - VIN to Key Code
AutoCode - VIN to Key Code
AutoCode - VIN to Key Code
by AutoCode Inc.
Free

This app automates the generation of key codes from vehicle identification numbers (VINs). It provides locksmiths and auto businesses with 24/7 access to powerful tools for VIN scanning, verification, and conversion to key bitting, eliminating the need for phone calls and wait times.

Automated VIN to Key Code GenerationVIN Scanner, Verification & CorrectionVIN to Year, Make, and Model
💼 Business
(102)
paid
17
Used Car Search Pro - iSeeCars
Used Car Search Pro - iSeeCars
Used Car Search Pro - iSeeCars
Biggest Used Car Search Engine
Free

This app aggregates millions of used cars for sale from various sources into a single platform. It offers advanced search filters, price analysis, and dealer ratings to help users find the best deals and avoid overpaying. Users can also set up alerts for new listings and price drops.

Search 4 million cars for sale59 advanced search filtersAutomatic sorting by best deals
🛍️ Shopping
(1.9K)
free with in-app purchases
18
Lookify - Reverse Phone Lookup
Lookify - Reverse Phone Lookup
Lookify - Reverse Phone Lookup
Caller ID and Number Lookup
Free

Identify unknown callers and protect yourself from scams. This app allows private searches for phone numbers and provides resources to stay informed about threats. Users can also contribute to a community database of spam and scam calls.

Identify unknown callersPrivate phone number searchesScam and threat alerts
🔧 Utilities
(1)
free with in-app purchases
19
Code Editor - Compiler & IDE
Code Editor - Compiler & IDE
Code Editor - Compiler & IDE
Programming on mobile
Free

This app is a powerful mobile code editor and compiler designed for programmers. It offers syntax highlighting for numerous languages, code assistance, and the ability to compile and run code directly on your device. Access files from cloud storage and version control systems, with customizable themes and extensive editing features.

Syntax highlighting for 110+ languagesOnline compiler for 30+ languagesCode assist and auto-completion
🛠️ Developer Tools
(38)
free with in-app purchases
20
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