Best Engine Scanner Apps

229+ iOS apps curated and reviewed

4.6 avg rating
17 free apps
Updated July 2026

If you already know Car Scanner ELM OBD2, this is the deeper bench. 229+ engine scanner apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of July 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
πŸ”§ Utilities
4.8😊(31K 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

  • πŸš€ Works great with cheap OBD2 adapters
  • πŸ‘ Highly customizable dashboard
  • πŸ‘ Comprehensive sensor data
  • πŸ‘ Helpful error code lookup

Room to Improve

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

RepairSolutions2 by Innova Electronics

Strong Contender
πŸ”§ Utilities
4.8😊(33K 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

  • πŸ‘ Easy to use
  • πŸš€ Efficient and fast
  • πŸ’‘ Helpful diagnostic features
  • πŸ€‘ Good value for money

Room to Improve

  • πŸ› Connectivity issues
  • πŸ” Limited functionality
  • πŸ•°οΈ Slow app performance
Car Scanner | OBD Auto Doctor#3

Car Scanner | OBD Auto Doctor by Creosys Oy

OBD2 diagnostics for ELM 327
Worth Considering
πŸ”§ Utilities
4.4😐(6.1K ratings)
FreeAdsIn-App Purchases
Car Scanner | OBD Auto Doctor screenshot 1
Car Scanner | OBD Auto Doctor screenshot 2
Car Scanner | OBD Auto Doctor screenshot 3
Car Scanner | OBD Auto Doctor screenshot 4
Car Scanner | OBD Auto Doctor screenshot 5
Car Scanner | OBD Auto Doctor screenshot 6

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.

What We Love

  • πŸš€ Works great
  • πŸ‘ Easy to use
  • πŸš€ Accurate diagnostics
  • πŸš€ Extensive adapter support

Room to Improve

  • πŸ”’ Requires subscription for full functionality
  • πŸ› Connection issues
  • πŸ› Inconsistent performance

More Engine Scanner apps to explore

4
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
πŸ”§ Utilities
(393)
subscription
5
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
πŸ”§ Utilities
(26K)
free with in-app purchases
6
BlueDriver OBD2 Scan Tool
BlueDriver OBD2 Scan Tool
BlueDriver OBD2 Scan Tool
Fear No Fixβ„’
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
πŸ“Š Productivity
(14K)
free with in-app purchases
7
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
πŸ”§ Utilities
(4.9K)
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
πŸ”§ Utilities
(43)
free with in-app purchases
9
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
πŸ”§ Utilities
(1.2K)
free with in-app purchases
10
Infocar - OBD2 ELM Scanner
Infocar - OBD2 ELM Scanner
Infocar - OBD2 ELM Scanner
OBD2 Car Scanner & Diagnostic
Free

Monitor your vehicle's health and performance with this app. It offers real-time diagnostics, driving style analysis, and maintenance tracking. Connect to your car's OBD2 scanner for detailed insights and improved driving habits.

Vehicle diagnostics and fault code clearingReal-time sensor data monitoringCustomizable dashboard with HUD
πŸ”§ Utilities
(499)
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
(152)
free with in-app purchases
12
OBD Fusion
OBD Fusion
OBD Fusion
OBD2 scan tool & diagnostics
$9.99

This app connects to your car's OBD2 port via a compatible adapter to read vehicle data. Monitor fuel economy, clear check engine lights, and create custom dashboards for real-time diagnostics and performance tracking.

Read and clear OBD2 trouble codesCustomizable real-time dashboardsEstimate fuel economy
✈️ Travel
(123)
free with in-app purchases
13
5-0 Radio Pro Police Scanner
5-0 Radio Pro Police Scanner
5-0 Radio Pro Police Scanner
+ Fire, EMS, Air, Train & Ham
Free

Access over 50,000 live audio feeds from police, fire, EMS, air traffic, and more. Stay informed about local and global events with real-time updates, recordings, and live chat features.

Live audio feedsRecord and share audioLive captions
πŸ“‘ News
(83K)
free with in-app purchases
14
Carly β€” OBD2 car scanner
Carly β€” OBD2 car scanner
Carly β€” 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
πŸ“Š Productivity
(9.8K)
free with in-app purchases
15
KIRI Engine:3D Scanner & LiDAR
KIRI Engine:3D Scanner & LiDAR
KIRI Engine:3D Scanner & LiDAR
Scanning your world with ease
Free

Easily create high-quality 3D models from photos or videos directly on your phone. Offers advanced scanning technologies for detailed results, with editing and export options for various platforms. Ideal for artists, designers, and 3D printing enthusiasts.

Photogrammetry 3D scanningNeural Surface Reconstruction (NSR)3D Gaussian Splatting
πŸ“· Photo & Video
(1.1K)
free with in-app purchases
16
Scanner: Scan Documents
Scanner: Scan Documents
Scanner: Scan Documents
PDF Scanner App
Free

Transform your device into a portable scanner to digitize any printed document. Easily scan, edit, e-sign, and share documents as PDFs. Features high-resolution scans, OCR technology, and multi-page support for efficient document management.

High resolution scansOCR technologyMulti-page PDF support
πŸ’Ό Business
(6.8K)
subscription
17
JotNot Scanner App Pro
JotNot Scanner App Pro
JotNot Scanner App Pro
PDF scanner app for documents
$6.99

Transform paper documents into crisp, clear digital files with advanced image processing. Digitize anything from receipts to sheet music, extract text with OCR, and securely store or share your scans. Simplify your life by eliminating paper clutter.

Advanced image processing for crisp scansOCR text extractionCloud storage integration
πŸ’Ό Business
(30K)
paid
18
Clear Scan: Doc Scanner App
Clear Scan: Doc Scanner App
Clear Scan: Doc Scanner App
Photo to PDF, Receipt scanning
Free

Transform your phone into a powerful, free document scanner. Easily capture and digitize documents, receipts, photos, and more with advanced image enhancement and OCR capabilities. Save, print, or share your scanned files effortlessly.

Scan documents, receipts, photosConvert images to text (OCR)Enhance image readability
πŸ’Ό Business
(17K)
free with in-app purchases
19
Sports Card Scanner: Spoly
Sports Card Scanner: Spoly
Sports Card Scanner: Spoly
Card Grading, Value, Collect
Free

This app uses AI to scan and identify sports cards, providing condition analysis and real-time market value tracking. Organize your entire collection, track its total value, and receive alerts for important dates.

AI-powered card scanning and identificationProfessional card grading and condition analysisReal-time market value tracking
🌟 Lifestyle
(2.3K)
free with in-app purchases
20
TurboScanβ„’ Pro: PDF scanner
TurboScanβ„’ Pro: PDF scanner
TurboScanβ„’ Pro: PDF scanner
Scan documents & receipts
$9.99

Transform your iPhone into a powerful document scanner. Quickly capture, organize, and share multipage documents, receipts, and more as high-quality PDFs or JPEGs. Advanced algorithms ensure accurate edge detection, perspective correction, and optimal contrast for clear scans.

Automatic document detectionPerspective correctionHigh-quality PDF/JPEG output
πŸ’Ό Business
(293K)
paid