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Best Ediag Plus Apps

231+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated June 2026

Whether you're new to ediag plus or looking for an upgrade, our curated collection of 231+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Ediag Plus

Ediag#1

Ediag by Shenzhen Kingbolen Electrics Technology Co., Ltd.

Editor's Choice
🌟 Lifestyle
4.3😐(905 ratings)
Free
Ediag screenshot 1

Perform comprehensive vehicle diagnostics, including reading data flow, fault codes, and vehicle information. Generate professional diagnostic reports for major automobile manufacturers. Features one-key diagnosis and automatic VIN reading.

What We Love

  • ✅ Comprehensive diagnostic information and functionality
  • 🎯 Works well for specific vehicle models (Chevy, Acura, etc.)
  • 💪 Advanced features like glow plug programming and ECU coding
  • 📱 Helpful AI and YouTube integration for guidance

Room to Improve

  • 💰 Hidden subscription fees for special functions ($19.99 each)
  • 🐛 App crashes frequently after updates
  • ❌ Poor vehicle compatibility with newer models (2023+)
ThinkDiag+#2

ThinkDiag+ by THINKCAR INC

Strong Contender
🔧 Utilities
4.5😊(4K ratings)
Free
ThinkDiag+ screenshot 1
ThinkDiag+ screenshot 2
ThinkDiag+ screenshot 3
ThinkDiag+ screenshot 4
ThinkDiag+ screenshot 5

This app provides professional-level vehicle diagnostics, offering features like reading/clearing fault codes, data flow analysis, and special maintenance functions. It supports a wide range of car brands and allows users to subscribe to specific diagnostic software. Connects via Bluetooth to your smartphone for intelligent vehicle analysis.

What We Love

  • 🚀 Easy to use
  • 🚀 Powerful diagnostic capabilities
  • 🚀 Affordable price
  • 🚀 Helpful customer support

Room to Improve

  • 🐛 Occasional crashes or freezes
  • 🐛 Compatibility issues with certain vehicles
  • 🔒 Concerns about annual subscription fees
Carly — OBD2 car scanner#3

Carly — OBD2 car scanner by Carly Solutions GmbH Co KG

Diagnose, Code and Service
Worth Considering
📊 Productivity
4.6😐(9.8K ratings)
FreeAdsIn-App Purchases
Carly — OBD2 car scanner screenshot 1
Carly — OBD2 car scanner screenshot 2
Carly — OBD2 car scanner screenshot 3
Carly — OBD2 car scanner screenshot 4
Carly — OBD2 car scanner screenshot 5
Carly — OBD2 car scanner screenshot 6

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.

What We Love

  • 👍 Great customer service
  • 🚀 Lots of functionality
  • 💡 Useful diagnostic and coding features
  • 🔒 Secure and reliable

Room to Improve

  • 💰 Expensive subscription model
  • 🐛 Connectivity and compatibility issues
  • 🔍 Limited functionality for some vehicles

More Ediag Plus 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
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
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
7
Car Scanner | OBD Auto Doctor
Car Scanner | OBD Auto Doctor
Car Scanner | OBD Auto Doctor
OBD2 diagnostics for ELM 327
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
8
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
9
TopGuru
TopGuru
TopGuru
by HK TOPDON TECHNOLOGY Co., LIMITED
Free

Transform your phone or tablet into a powerful vehicle diagnostic tool via Bluetooth. Access full system diagnosis, OBDII functions, bi-directional controls, and essential maintenance services for a wide range of car brands. Generate detailed diagnostic reports for efficient troubleshooting.

Full System DiagnosisFull OBD2 FunctionsBi-directional Control
🔧 Utilities
(373)
free with in-app purchases
10
KeyConnect Digital Car Key
KeyConnect Digital Car Key
KeyConnect Digital Car Key
Remote Connect & Car Link
Free

Manage your vehicles remotely and securely. Lock/unlock doors, check real-time car status, store important documents, and track expenses. Offers GPS navigation and maintenance history for over 40 car makes.

Remote lock and unlockReal-time car status monitoringGPS car locator
🔧 Utilities
(88K)
subscription
11
OBD2 Car Scanner - Torque FixD
OBD2 Car Scanner - Torque FixD
OBD2 Car Scanner - Torque FixD
OBD2 ELM Diagnostic, Car HUD
Free

Diagnose your car's engine and transmission with real-time data, customizable dashboards, and emissions readiness checks. This app connects to your vehicle's OBD2 system via Wi-Fi or Bluetooth for comprehensive maintenance and performance insights.

Comprehensive diagnosticsCustomizable dashboardReal-time monitoring
🔧 Utilities
(908)
free with in-app purchases
12
Car Scanner ELM OBD2
Car Scanner ELM OBD2
Car Scanner ELM OBD2
The best OBD2 diagnostic tool!
Free

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.

Real-time sensor dataOBD fault code reading and resettingCustomizable dashboard with gauges
🔧 Utilities
(31K)
free with in-app purchases
13
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
14
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
15
Auto Agent
Auto Agent
Auto Agent
by EZ LYNK
Free

Monitor, diagnose, and update your vehicle's software remotely. This powerful tool allows you to view live data, read and clear diagnostic codes, and record data for your technician. Connect directly with your mechanic for remote assistance and software updates, saving you trips to the repair shop.

Display live vehicle dataRead and clear diagnostic trouble codesCreate and playback data recordings
🔧 Utilities
(34K)
free with in-app purchases
16
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
(1.1K)
free with in-app purchases
17
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
18
OBD JScan
OBD JScan
OBD JScan
by Piotr Bialic
Free

This app provides advanced diagnostics for Jeep, Chrysler, and Dodge vehicles. It allows users to read and clear trouble codes, view live sensor data, and access settings across all vehicle modules, including ABS and transmission.

Read/Clear Diagnostic Trouble CodesAccess Live Data from all sensorsView vehicle settings
🔧 Utilities
(1.3K)
free with in-app purchases
19
DashCommand - OBD-II Gauges
DashCommand - OBD-II Gauges
DashCommand - OBD-II Gauges
OBD-II Dashboards, Scan Tool
$9.99

Turn your smartphone into a powerful vehicle monitoring and diagnostic tool. Track engine performance, fuel economy, and instantly diagnose check engine lights. Features advanced dashboards for performance analysis and off-roading.

Customizable vehicle performance displayEngine and vehicle data loggingRead and clear check engine lights
⚽ Sports
(2.1K)
free with in-app purchases
20
GWSMARTBT
GWSMARTBT
GWSMARTBT
by Apex Tool Group, LLC
Free

This diagnostic tool offers advanced vehicle system scanning and bidirectional control for automotive technicians. It provides 23 professional reset functions and live data mapping, eliminating the need for expensive alternatives. Enjoy comprehensive coverage, a 2-year warranty, and free lifetime software updates.

Full system diagnosticsBidirectional programming23 pro reset functions
🔧 Utilities
(47)
paid