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Best Engine Scanner Apps

250+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated August 2026

If you already know Car Scanner ELM OBD2, this is the deeper bench. 250+ engine scanner apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Engine Scanner Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Car Scanner ELM OBD2Car Scanner ELM OBD2Free4.8★ (32K)YesYesAug 2026
2RepairSolutions2RepairSolutions2Free4.8★ (37K)NoYesAug 2026
3OBD2 Car Scanner - EOBD FacileOBD2 Car Scanner - EOBD FacileFree4.6★ (5K)NoYesAug 2026
4FIXD OBD2 ScannerFIXD OBD2 ScannerFree4.6★ (26K)NoYesAug 2026
5Torque Pro : OBD2 Car ScannerTorque Pro : OBD2 Car ScannerFree was $12.994.3★ (520)YesYesAug 2026
6OBD2 Scanner | OBD Auto DoctorOBD2 Scanner | OBD Auto DoctorFree4.4★ (6.1K)NoYesAug 2026
7BlueDriver OBD2 Scan ToolBlueDriver OBD2 Scan ToolFree4.6★ (14K)NoNoAug 2026
8Car Scanner ELM OBD2 - TorqueCar Scanner ELM OBD2 - TorqueFree4.5★ (15)YesYesAug 2026

Top Picks for Engine Scanner

Car Scanner ELM OBD2#1

Car Scanner ELM OBD2 by Stanislav Svistunov

The best OBD2 diagnostic tool!
Editor's Choice
🔧 Utilities
4.8😊(32K ratings)
FreeAdsIn-App Purchases
Car Scanner ELM OBD2 screenshot 1
Car Scanner ELM OBD2 screenshot 2
Car Scanner ELM OBD2 screenshot 3
Car Scanner ELM OBD2 screenshot 4
Car Scanner ELM OBD2 screenshot 5
Car Scanner ELM OBD2 screenshot 6

Monitor your car's performance, diagnose engine issues, and view sensor data in real-time. Customize your dashboard with gauges and charts, and reset fault codes. Supports a wide range of vehicles and offers advanced features for specific car brands.

What We Love

  • 🚀 Works great with cheap OBD2 adapters
  • 👍 Highly customizable dashboard
  • 👍 Comprehensive sensor data
  • 👍 Helpful error code lookup

Room to Improve

  • 🐛 Occasional connection issues
  • 🐛 Incorrect sensor readings for some vehicles
  • 🐛 Crashes or freezes on some devices
RepairSolutions2#2

RepairSolutions2 by Innova Electronic

Strong Contender
🔧 Utilities
4.8😊(37K ratings)
FreeIn-App Purchases
RepairSolutions2 screenshot 1
RepairSolutions2 screenshot 2
RepairSolutions2 screenshot 3
RepairSolutions2 screenshot 4
RepairSolutions2 screenshot 5
RepairSolutions2 screenshot 6

This app provides comprehensive vehicle care and repair information for car and truck owners, DIYers, and technicians. It offers diagnostic capabilities with compatible OBD2 scanners and a vast database of verified fixes from ASE Master Technicians. Users can also access free vehicle maintenance information and schedule repairs.

What We Love

  • 👍 Easy to use
  • 🚀 Efficient and fast
  • 💡 Helpful diagnostic features
  • 🤑 Good value for money

Room to Improve

  • 🐛 Connectivity issues
  • 🔍 Limited functionality
  • 🕰️ Slow app performance
OBD2 Car Scanner - EOBD Facile#3

OBD2 Car Scanner - EOBD Facile by OUTILS OBD FACILE SARL

Torque & ELM327 OBD Diagnostic
Worth Considering
🔧 Utilities
4.6😐(5K ratings)
FreeIn-App Purchases
OBD2 Car Scanner - EOBD Facile screenshot 1
OBD2 Car Scanner - EOBD Facile screenshot 2
OBD2 Car Scanner - EOBD Facile screenshot 3
OBD2 Car Scanner - EOBD Facile screenshot 4
OBD2 Car Scanner - EOBD Facile screenshot 5
OBD2 Car Scanner - EOBD Facile screenshot 6

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.

What We Love

  • 👍 Helpful for diagnosing issues
  • 🚀 Easy to use and connect
  • 💡 Provides useful vehicle data
  • 🔍 Able to read and clear error codes

Room to Improve

  • 💰 Expensive for full functionality
  • 🔒 Requires paid upgrade to access key features
  • 🐛 Connectivity issues and app crashes

More Engine Scanner apps to explore

4
FIXD OBD2 Scanner
FIXD OBD2 Scanner
FIXD OBD2 Scanner
Clear Your Check Engine Light
Free

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.

Translate check engine light codesUnderstand issue severityMaintenance reminders
🔧 Utilities
(26K)
free with in-app purchases
5
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
(520)
subscription
6
OBD2 Scanner | OBD Auto Doctor
OBD2 Scanner | OBD Auto Doctor
OBD2 Scanner | OBD Auto Doctor
Car Diagnostics & Check Engine
Free

Diagnose your car's engine light issues and monitor real-time performance data. This app allows you to read and clear diagnostic trouble codes, track fuel consumption, and view sensor data. It's a comprehensive tool for understanding your vehicle's health.

Read and clear OBD2 diagnostic trouble codes (DTC)Reset Check Engine LightMonitor real-time vehicle data and sensor readings
🔧 Utilities
(6.1K)
free with in-app purchases
7
BlueDriver OBD2 Scan Tool
BlueDriver OBD2 Scan Tool
BlueDriver OBD2 Scan Tool
Fear No Fix™
Free

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.

Read and clear trouble codes (Check Engine, ABS, etc.)Generate professional-grade Repair ReportsAccess Mode 6 and smog readiness data
📊 Productivity
(14K)
free with in-app purchases
8
Car Scanner ELM OBD2 - Torque
Car Scanner ELM OBD2 - Torque
Car Scanner ELM OBD2 - Torque
Fixd & Check Engine Diagnostic
Free

Transform your iPhone into a powerful car diagnostic tool. Read and clear trouble codes, monitor live vehicle sensor data, and understand check engine light warnings. Works with most vehicles manufactured since 1996 using standard OBD2 adapters.

Read and clear OBD2 trouble codesUnderstand check engine light warningsMonitor live vehicle sensor data
🔧 Utilities
(15)
free with in-app purchases
9
Krown Barcode Scanner
Krown Barcode Scanner
Krown Barcode Scanner
by Canadian Krown Dealers Inc
Free

Scan vehicle identification numbers (VINs) directly or enter them manually. This utility helps users quickly access vehicle information.

Scan VINsManual VIN entryVehicle information access
🔧 Utilities
(0)
free
10
Scanner: PDF Document Scan App
Scanner: PDF Document Scan App
Scanner: PDF Document Scan App
CamScanner: Easy, Genius, Fast
Free

Easily digitize documents from your mobile device, converting them into high-quality PDFs or images. This portable scanner is ideal for remote work, study, and small businesses, offering features like batch scanning and cloud uploads.

Scan documentsAuto/Manual scanningBatch scanning
💼 Business
(1)
free with in-app purchases
11
inCarDoc OBD2 ELM327 Scanner
inCarDoc OBD2 ELM327 Scanner
inCarDoc OBD2 ELM327 Scanner
Car diagnostics, obd2 scanner
Free

This app acts as a car diagnostic tool, allowing users to scan fault codes, monitor real-time engine parameters, and log vehicle maintenance. It helps optimize car performance and control fuel consumption by accessing ECU data.

OBD2 fault code scannerReal-time parameter monitoringLogbook for diagnostics and maintenance
✈️ Travel
(154)
free with in-app purchases
12
ScannerApp: PDF & OCR Scanner
ScannerApp: PDF & OCR Scanner
ScannerApp: PDF & OCR Scanner
Scan Document Photo and Papers
Free
💼 Business
(0)
13
Car Scanner: OBD2 ELM Reader
Car Scanner: OBD2 ELM Reader
Car Scanner: OBD2 ELM Reader
OBD diagnostics for ELM327
Free

Transform your smartphone into a car diagnostic tool. Read and clear trouble codes, monitor real-time engine data, and access manufacturer-specific information. Analyze driving behavior and track fuel efficiency.

Read and clear OBD2 trouble codesReal-time car data monitoringManufacturer-specific code access
🔧 Utilities
(2)
freemium
14
Carly — OBD2 car scanner
Carly — OBD2 car scanner
Carly — OBD2 car scanner
Diagnose, Code and Service
Free

This app allows car owners to diagnose issues, monitor live engine data, and perform maintenance tasks. It offers advanced features like coding hidden car functions and detecting mileage manipulation, helping users save on repairs and understand their vehicle's health.

Read and clear fault codes from all ECUsMonitor engine live data parametersStep-by-step car repair guides
📊 Productivity
(9.8K)
free with in-app purchases
15
Scanner by i
Scanner by i
Scanner by i
You only scan once
Free
🔧 Utilities
(0)
16
OBD2™ Car Scanner・ELM 327 Scan
OBD2™ Car Scanner・ELM 327 Scan
OBD2™ Car Scanner・ELM 327 Scan
OBD Diagnostics・Repair Doctor
Free

Transform your smartphone into a powerful OBD2 diagnostic tool. Read and clear fault codes, monitor real-time performance metrics, and test your vehicle's acceleration and emissions. Compatible with a wide range of car brands and OBD2 scanners.

Universal OBD2 scanner compatibilityRead and erase fault codesReal-time performance metrics
🔧 Utilities
(13)
freemium
17
Scanner : Scan To PDF & Image
Scanner : Scan To PDF & Image
Scanner : Scan To PDF & Image
Scan & Read : QRCode & BarCode
Free
📊 Productivity
(0)
18
Scanner PDF: App Scan Document
Scanner PDF: App Scan Document
Scanner PDF: App Scan Document
Document & photo scanning app
Free
💼 Business
(0)
19
OBD2 Scanner + Engine Sound
OBD2 Scanner + Engine Sound
OBD2 Scanner + Engine Sound
ELM327 live gauges, no sub
Free
🔧 Utilities
(0)
20
OBD2 Car Scanner ELM 327 DTC
OBD2 Car Scanner ELM 327 DTC
OBD2 Car Scanner ELM 327 DTC
OBD Check Engine Code Reader
Free
🔧 Utilities
(0)

FAQ about Engine Scanner

What are the best engine scanner apps for iPhone?
Car Scanner ELM OBD2 tops our engine scanner apps ranking as of August 2026, with a 4.8-star average from 32K App Store ratings, and it's free to download.
Yes — 20 of the top engine scanner apps we rank are free to download, including Car Scanner ELM OBD2 and RepairSolutions2.
Car Scanner ELM OBD2 shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ engine scanner apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app acts as a vehicle diagnostic tool, performance monitor, and trip computer. It connects to your car's OBD2 engine management system via a Wi-Fi or Bluetooth adapter to display real-time sensor data, read and reset fault codes, and provide detailed vehicle information.
Key features include real-time sensor data display, the ability to read and reset DTC fault codes with a large database of descriptions, customizable dashboards with gauges and charts, extended PID support for hidden information, Mode 06 test results, emission test readiness checks, and accurate acceleration measurements.