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Best Engine Scanner Apps

250+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated October 2026

If you already know Car Scanner ELM OBD2, this is the deeper bench. 250+ engine scanner apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.

Compare top Engine Scanner Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Car Scanner ELM OBD2Car Scanner ELM OBD2Free4.8★ (33K)YesYesOct 2026
2RepairSolutions2RepairSolutions2Free4.8★ (40K)NoYesOct 2026
3FIXD OBD2 ScannerFIXD OBD2 ScannerFree4.6★ (26K)NoYesOct 2026
4DriveSense: OBD2 Car ScannerDriveSense: OBD2 Car ScannerFree—NoYesOct 2026
5EOBD Facile - OBD2 Car ScannerEOBD Facile - OBD2 Car ScannerFree4.6★ (5.2K)NoYesOct 2026
6BlueDriver OBD2 Scan ToolBlueDriver OBD2 Scan ToolFree4.6★ (14K)NoNoOct 2026
7Scanner: Document Scan PDF CamScanner: Document Scan PDF CamFree—YesYesMay 2026
8OBD2 Scanner | OBD Auto DoctorOBD2 Scanner | OBD Auto DoctorFree4.4★ (6.2K)NoYesOct 2026

Top Picks for Engine Scanner

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
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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
RepairSolutions2#2

RepairSolutions2 by Innova Electronic

Strong Contender
🔧 Utilities
4.8😊(40K ratings)
FreeIn-App Purchases
RepairSolutions2 screenshot 1
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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
FIXD OBD2 Scanner#3

FIXD OBD2 Scanner by FIXD Automotive Inc

Clear Your Check Engine Light
Worth Considering
🔧 Utilities
4.6😐(26K ratings)
FreeIn-App Purchases
#42in Utilities
FIXD OBD2 Scanner screenshot 1
FIXD OBD2 Scanner screenshot 2
FIXD OBD2 Scanner screenshot 3
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FIXD OBD2 Scanner screenshot 6

This app translates your car's check engine light into understandable terms, offering insights into problem severity and maintenance needs. It provides advanced features like issue forecasting and mechanic support with an optional premium subscription.

What We Love

  • 👍 Easy to use
  • 🚀 Quickly identifies problems
  • 💰 Saves money on mechanics
  • 🔍 Provides detailed diagnostic information
  • ⚙️ Helpful for DIY maintenance
  • 🧠 Useful AI mechanic feature

Room to Improve

  • 🔒 Requires subscription for full functionality
  • 💰 Expensive premium subscription
  • 🤖 Inconsistent performance across vehicles
  • 🔌 Connectivity issues with device
  • 🤷‍♀️ Limited functionality without subscription
  • 🕰️ Slow app performance after updates

More Engine Scanner apps to explore

FAQ about Engine Scanner

What are the best engine scanner apps for iPhone?
Car Scanner ELM OBD2 tops our engine scanner 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 engine scanner apps we rank are free to download, including Car Scanner ELM OBD2 and RepairSolutions2.
Car Scanner ELM OBD2 shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 250+ engine scanner apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.