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Best Obd2 Interface Apps

248+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated October 2026

From beginner-friendly picks to power-user tools, our obd2 interface list covers 248+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.

Compare top Obd2 Interface Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Car Scanner ELM OBD2Car Scanner ELM OBD2Free4.8★ (33K)YesYesNov 2026
2ELM327 WiFi DiagnosticELM327 WiFi DiagnosticFree1.0★ (1)NoNoSep 2026
3OBD2 Car Scanner Pro ELM327OBD2 Car Scanner Pro ELM327Free4.5★ (2)NoYesOct 2026
4CanDash: OBD2 Scanner ELM327CanDash: OBD2 Scanner ELM327Free4.0★ (3)NoYesOct 2026
5OBD2 ExpertOBD2 ExpertFree4.1★ (735)NoYesOct 2026
6EOBD Facile - OBD2 Car ScannerEOBD Facile - OBD2 Car ScannerFree4.6★ (5.2K)NoYesNov 2026
7BimmerDash: OBD2 GaugeBimmerDash: OBD2 GaugeFree—YesYesOct 2026
8AutoPulse: OBD2 ScannerAutoPulse: OBD2 ScannerFree—NoNoSep 2026

Top Picks for Obd2 Interface

Car Scanner ELM OBD2#1

Car Scanner ELM OBD2 by Stanislav Svistunov

The best OBD2 diagnostic tool!
Editor's Choice
🔧 Utilities
4.8😊(33K 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
ELM327 WiFi Diagnostic#2

ELM327 WiFi Diagnostic by Kamil Kubis

Car diagnostic
Strong Contender
🔧 Utilities
1.0(1 ratings)
Free
ELM327 WiFi Diagnostic screenshot 1
ELM327 WiFi Diagnostic screenshot 2
ELM327 WiFi Diagnostic screenshot 3
ELM327 WiFi Diagnostic screenshot 4
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.

OBD2 Car Scanner Pro ELM327#3

OBD2 Car Scanner Pro ELM327 by Emir ARIKAN

Check Engine Light AI Doctor
Worth Considering
🔧 Utilities
4.5(2 ratings)
FreeIn-App Purchases
OBD2 Car Scanner Pro ELM327 screenshot 1
OBD2 Car Scanner Pro ELM327 screenshot 2
OBD2 Car Scanner Pro ELM327 screenshot 3
OBD2 Car Scanner Pro ELM327 screenshot 4
OBD2 Car Scanner Pro ELM327 screenshot 5

Transform your OBD-II adapter into a powerful car diagnostic tool. Monitor live engine data, read and clear diagnostic trouble codes, and gain insights into your vehicle's health. Includes AI analysis for potential causes and performance testing features.

More Obd2 Interface apps to explore

FAQ about Obd2 Interface

What are the best obd2 interface apps for iPhone?
Car Scanner ELM OBD2 tops our obd2 interface apps ranking as of October 2026, with a 4.8-star average from 33K App Store ratings, and it's free to download.
Yes — 20 of the top obd2 interface apps we rank are free to download, including Car Scanner ELM OBD2 and ELM327 WiFi Diagnostic.
Car Scanner ELM OBD2 shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 248+ obd2 interface apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.