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Best Elm 327 Apps

181+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated August 2026

Looking for free elm 327 apps? 20 of our 181+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Elm 327 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
3ELM327 WiFi DiagnosticELM327 WiFi DiagnosticFree1.0★ (1)NoNoSep 2026
4OBDII Scanner ELM327 OBD2OBDII Scanner ELM327 OBD2Free3.4★ (5)NoYesAug 2026
5OBD2 Scanner | OBD Auto DoctorOBD2 Scanner | OBD Auto DoctorFree4.4★ (6.1K)NoYesSep 2026
6OBD2 Scanner: Torque ELM 327OBD2 Scanner: Torque ELM 327Free4.6★ (933)YesYesSep 2026
7BlueDriver OBD2 Scan ToolBlueDriver OBD2 Scan ToolFree4.6★ (14K)NoNoSep 2026
8OBDLinkOBDLinkFree4.8★ (12K)NoYesSep 2026

Top Picks for Elm 327

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
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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 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
ELM327 WiFi Diagnostic#3

ELM327 WiFi Diagnostic by Kamil Kubis

Car diagnostic
Worth Considering
🔧 Utilities
1.0(1 ratings)
Free
ELM327 WiFi Diagnostic screenshot 1
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ELM327 WiFi Diagnostic screenshot 5

This utility app connects to your vehicle's onboard diagnostics system via an ELM327 WiFi adapter. It allows you to check your car's version and supported protocols, and includes example commands for troubleshooting.

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FAQ about Elm 327

What are the best elm 327 apps for iPhone?
Car Scanner ELM OBD2 tops our elm 327 apps ranking as of August 2026, with a 4.8-star average from 32K App Store ratings, and it's free to download.
Yes — 20 of the top elm 327 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 181+ elm 327 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.

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