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Best Obd2 Reader Apps

214+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated June 2026

If you already know Car Scanner ELM OBD2, this is the deeper bench. 214+ obd2 reader apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Top Picks for Obd2 Reader

Car Scanner ELM OBD2#1

Car Scanner ELM OBD2 by Stanislav Svistunov

The best OBD2 diagnostic tool!
Editor's Choice
🔧 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

  • 🚀 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
OBD2 Car Scanner - EOBD Facile#2

OBD2 Car Scanner - EOBD Facile by Outils OBD Facile

Torque ELM327 Diagnostic Tool
Strong Contender
🔧 Utilities
4.6😐(4.9K ratings)
FreeIn-App Purchases
OBD2 Car Scanner - EOBD Facile screenshot 1
OBD2 Car Scanner - EOBD Facile screenshot 2
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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
Car Scanner | OBD Auto Doctor#3

Car Scanner | OBD Auto Doctor by Creosys Oy

OBD2 diagnostics for ELM 327
Worth Considering
🔧 Utilities
4.4😐(6.1K ratings)
FreeAdsIn-App Purchases
Car Scanner | OBD Auto Doctor screenshot 1
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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

  • 🚀 Works great
  • 👍 Easy to use
  • 🚀 Accurate diagnostics
  • 🚀 Extensive adapter support

Room to Improve

  • 🔒 Requires subscription for full functionality
  • 🐛 Connection issues
  • 🐛 Inconsistent performance

More Obd2 Reader apps to explore

4
RepairSolutions2
RepairSolutions2
RepairSolutions2
by Innova Electronics
Free

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.

OBD2 scanner integrationVerified repair databaseDiagnostic trouble code definitions
🔧 Utilities
(33K)
free with in-app purchases
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
🔧 Utilities
(26K)
free with in-app purchases
6
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
7
FutureLog
FutureLog
FutureLog
by FutureLog AG
Free
💼 Business
(0)
8
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
9
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
10
Car Scanner OBD2 Torque Pro
Car Scanner OBD2 Torque Pro
Car Scanner OBD2 Torque Pro
OBD2 Scan for Car Diagnostic
Free

This app transforms your device into a powerful car diagnostic tool. It allows you to monitor real-time sensor data, read and interpret diagnostic trouble codes (DTCs), and access detailed information about your vehicle's systems. Compatible with most cars manufactured after 1996.

Real-time sensor data monitoringRead and interpret DTCsAccess Parameter Identification Codes (PIDs)
🔧 Utilities
(883)
free with in-app purchases
11
Sống Sáng Suốt
Sống Sáng Suốt
Sống Sáng Suốt
by Duong Viet Cuong
Free
📚 Education
(0)
12
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
13
Carista OBD2
Carista OBD2
Carista OBD2
Code, Service, Diagnose cars
Free

This app acts as a DIY car mechanic, allowing you to customize features, diagnose warning lights, monitor live data, and perform maintenance. Save time and money by handling common car tasks yourself.

Customize car behavior and unlock hidden featuresDiagnose and reset dashboard warning lightsMonitor real-time vehicle parameters
🔧 Utilities
(3.9K)
free with in-app purchases
14
OBD2 Scanner: Torque ELM 327
OBD2 Scanner: Torque ELM 327
OBD2 Scanner: Torque ELM 327
Torque OBD2 Car Scanner ELM327
Free

Transform your smartphone into a powerful car diagnostic tool. Monitor real-time engine data, read and clear trouble codes, and track your vehicle's performance. Customize your dashboard and access repair manuals to understand and fix issues.

Real-time engine data monitoringRead and clear trouble codesPerformance tracking
🔧 Utilities
(802)
free with in-app purchases
15
Feria AVIS Canarias
Feria AVIS Canarias
Feria AVIS Canarias
by DOMINGO ALONSO GROUP, SOCIEDAD LIMITADA
Free
🌟 Lifestyle
(0)
16
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
17
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
18
OBDeleven VAG
OBDeleven VAG
OBDeleven VAG
Scan your car & clear faults
Free

Transform your smartphone into a powerful car diagnostic tool. Easily scan, diagnose, and customize your vehicle's settings. Access advanced features like coding and live data to save time and money on car maintenance.

Advanced diagnosticsCoding and adaptationsOutput tests
🔧 Utilities
(6.6K)
free with in-app purchases
19
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
20
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