Best Obd2 Scanner Free Apps

249+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated October 2026

Car Scanner OBD2 ELM is the household name in obd2 scanner free, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Obd2 Scanner Free Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Car Scanner OBD2 ELM: Obd MaryCar Scanner OBD2 ELM: Obd MaryFree4.7★ (39)YesYesOct 2026
2EOBD Facile - OBD2 Car ScannerEOBD Facile - OBD2 Car ScannerFree4.6★ (5.2K)NoYesNov 2026
3BlueDriver OBD2 Scan ToolBlueDriver OBD2 Scan ToolFree4.6★ (14K)NoNoNov 2026
4Torque OBD Lite - Car ScannerTorque OBD Lite - Car ScannerFree3.1★ (440)NoYesOct 2026
5FIXD OBD2 ScannerFIXD OBD2 ScannerFree4.6★ (26K)NoYesNov 2026
6Car Scanner ELM OBD2Car Scanner ELM OBD2Free4.8★ (33K)YesYesNov 2026
7OBD2 Scanner: Torque ELM 327OBD2 Scanner: Torque ELM 327Free4.6★ (1.1K)YesYesOct 2026
8OBD2 Car Scanner ELM327: CavoxOBD2 Car Scanner ELM327: CavoxFree5.0★ (5)NoYesOct 2026

Top Picks for Obd2 Scanner Free

Car Scanner OBD2 ELM: Obd Mary#1
4.7(39 ratings)
FreeAdsIn-App Purchases
Car Scanner OBD2 ELM: Obd Mary screenshot 1
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This app functions as a universal vehicle scanner using the OBD2 standard. It connects to your car via WiFi or Bluetooth 4.0 LE adapters to diagnose and scan electronic control modules. Users need a compatible ELM327 adapter to utilize its diagnostic capabilities.

EOBD Facile - OBD2 Car Scanner#2

EOBD Facile - OBD2 Car Scanner by OUTILS OBD FACILE SARL

Torque & ELM327 OBD Diagnostic
Strong Contender
🔧 Utilities
4.6😐(5.2K ratings)
FreeIn-App Purchases
EOBD Facile - OBD2 Car Scanner screenshot 1
EOBD Facile - OBD2 Car Scanner screenshot 2
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Turn your smartphone into a professional OBD2 diagnostic tool. Monitor engine torque, read and clear fault codes, and access real-time vehicle sensor data. Supports a wide range of vehicles and ELM327 adapters.

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
4.6😊(14K ratings)
Free
BlueDriver OBD2 Scan Tool screenshot 1
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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 Obd2 Scanner Free apps to explore

FAQ about Obd2 Scanner Free

What are the best obd2 scanner free apps for iPhone?
Car Scanner OBD2 ELM: Obd Mary tops our obd2 scanner free apps ranking as of October 2026, with a 4.7-star average from 39 App Store ratings, and it's free to download.
Car Scanner OBD2 ELM: Obd Mary shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 249+ obd2 scanner free apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.