1. Home
  2. Topics
  3. Obd-Ii

Best Obd-Ii Apps

239+ iOS apps curated and reviewed

3.8 avg rating
19 free apps
Updated August 2026

If you already know Car Scanner ELM OBD2, this is the deeper bench. 239+ obd-ii apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Obd-Ii Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Car Scanner ELM OBD2Car Scanner ELM OBD2Free4.8★ (32K)YesYesSep 2026
2OBD2 Car Scanner - EOBD FacileOBD2 Car Scanner - EOBD FacileFree4.6★ (5K)NoYesSep 2026
3BlueDriver OBD2 Scan ToolBlueDriver OBD2 Scan ToolFree4.6★ (14K)NoNoSep 2026
4Autmet | OBD2 ScannerAutmet | OBD2 ScannerFree5.0★ (1)NoNoAug 2026
5OBDII Scanner ELM327 OBD2OBDII Scanner ELM327 OBD2Free3.4★ (5)NoYesAug 2026
6UJS OBDIIUJS OBDIIFree5.0★ (1)NoNoMay 2026
7ELMCheckELMCheckFree5.0★ (1)NoYesAug 2026
8Rheosoft OBD2Rheosoft OBD2Free—NoNoJul 2026

Top Picks for Obd-Ii

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
  • 👍 Frequent updates
  • 👍 Affordable pro version
  • 👍 Supports many vehicle makes/models

Room to Improve

  • 🐛 Occasional connection issues
  • 🐛 Incorrect sensor readings for some vehicles
  • 🐛 Crashes or freezes on some devices
  • 🔋 Drains battery when left running
OBD2 Car Scanner - EOBD Facile#2

OBD2 Car Scanner - EOBD Facile by OUTILS OBD FACILE SARL

Torque & ELM327 OBD Diagnostic
Strong Contender
🔧 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
  • 🚫 Limited functionality in free version
BlueDriver OBD2 Scan Tool#3

BlueDriver OBD2 Scan Tool by Lemur Vehicle Monitors

Fear No Fix™
Worth Considering
📊 Productivity
4.6😊(14K ratings)
Free
BlueDriver OBD2 Scan Tool screenshot 1
BlueDriver OBD2 Scan Tool screenshot 2
BlueDriver OBD2 Scan Tool screenshot 3
BlueDriver OBD2 Scan Tool screenshot 4
BlueDriver OBD2 Scan Tool screenshot 5

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.

What We Love

  • 👍 Easy to use
  • 🚀 Excellent diagnostic capabilities
  • 💰 Great value for money
  • 🔍 Detailed fault code information
  • 📚 Helpful repair suggestions
  • 🔌 Convenient Bluetooth connectivity
  • 🔁 Seamless updates
  • 🧠 Useful for DIY repairs
  • 🛠️ Saves money on mechanic fees
  • 🔍 Comprehensive vehicle diagnostics

Room to Improve

  • 🐛 Occasional Bluetooth connectivity issues
  • ⚠️ Limited support for some vehicle makes/models
  • 🚫 Cannot read odometer information
  • 🚫 Lack of advanced features for professional mechanics
  • 🚫 No support for European vehicle VINs
  • 🚫 Inability to read certain fault codes (e.g., airbag)
  • 🚫 Doesn't work with older iOS versions

More Obd-Ii apps to explore

FAQ about Obd-Ii

What are the best obd-ii apps for iPhone?
Car Scanner ELM OBD2 tops our obd-ii apps ranking as of August 2026, with a 4.8-star average from 32K App Store ratings, and it's free to download.
Yes — 19 of the top obd-ii apps we rank are free to download, including Car Scanner ELM OBD2 and OBD2 Car Scanner - EOBD Facile.
Car Scanner ELM OBD2 shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 239+ obd-ii 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.