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Best Car Code Reader Apps

250+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated September 2026

From beginner-friendly picks to power-user tools, our car code reader list covers 250+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Car Code Reader Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1RepairSolutions2RepairSolutions2Free4.8★ (37K)NoYesSep 2026
2Car Scanner ELM OBD2Car Scanner ELM OBD2Free4.8★ (32K)YesYesSep 2026
3BlueDriver OBD2 Scan ToolBlueDriver OBD2 Scan ToolFree4.6★ (14K)NoNoSep 2026
4FIXD OBD2 ScannerFIXD OBD2 ScannerFree4.6★ (26K)NoYesSep 2026
5OBD2 Scanner | OBD Auto DoctorOBD2 Scanner | OBD Auto DoctorFree4.4★ (6.1K)NoYesSep 2026
6OBD2 Trouble CodeOBD2 Trouble CodeFree3.3★ (306)NoNoSep 2026
7OBD2 Car Scanner - EOBD FacileOBD2 Car Scanner - EOBD FacileFree4.6★ (5K)NoYesSep 2026
8OBD2 Ninja: Car Code ReaderOBD2 Ninja: Car Code Reader$0.99—NoNoAug 2026

Top Picks for Car Code Reader

RepairSolutions2#1

RepairSolutions2 by Innova Electronic

Editor's Choice
🔧 Utilities
4.8😊(37K ratings)
FreeIn-App Purchases
RepairSolutions2 screenshot 1
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RepairSolutions2 screenshot 4
RepairSolutions2 screenshot 5
RepairSolutions2 screenshot 6

This app provides comprehensive vehicle care and repair information for car and truck owners, DIYers, and technicians. It offers diagnostic capabilities with compatible OBD2 scanners and a vast database of verified fixes from ASE Master Technicians. Users can also access free vehicle maintenance information and schedule repairs.

What We Love

  • 👍 Easy to use
  • 🚀 Efficient and fast
  • 💡 Helpful diagnostic features
  • 🤑 Good value for money
  • 🔧 Useful for DIY mechanics

Room to Improve

  • 🐛 Connectivity issues
  • 🔍 Limited functionality
  • 🕰️ Slow app performance
  • 🔋 Firmware update process
Car Scanner ELM OBD2#2

Car Scanner ELM OBD2 by Stanislav Svistunov

The best OBD2 diagnostic tool!
Strong Contender
🔧 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
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
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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 Car Code Reader apps to explore

FAQ about Car Code Reader

What are the best car code reader apps for iPhone?
RepairSolutions2 tops our car code reader apps ranking as of September 2026, with a 4.8-star average from 37K App Store ratings, and it's free to download.
Yes — 19 of the top car code reader apps we rank are free to download, including RepairSolutions2 and Car Scanner ELM OBD2.
RepairSolutions2 has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ car code reader apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
RepairSolutions2 offers a comprehensive automotive repair database with verified fixes from ASE Master Technicians. It provides vehicle care information, diagnostic capabilities when paired with compatible OBD2 scanners, and allows users to find and purchase necessary parts. The app also includes features for tracking scheduled maintenance and scheduling repairs.
Key features include looking up DTC code definitions with ASE-verified fixes, performing complete vehicle scans, reading/erasing DTC codes, accessing a customizable LIVE data feed, tracking scheduled maintenance, predicting potential repairs, and an option to schedule repairs through RepairPal. Users can also view vehicle maintenance and recall information even without an OBD2 tool.

Related searches

obd2 ninja: car code reader