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Best Elm 327 Bluetooth Apps

250+ iOS apps curated and reviewed

4.1 avg rating
19 free apps
Updated August 2026

Whether you're new to elm 327 bluetooth or looking for an upgrade, our curated collection of 250+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Elm 327 Bluetooth Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Car Scanner ELM OBD2Car Scanner ELM OBD2Free4.8★ (32K)YesYesAug 2026
2OBDII Scanner ELM327 OBD2OBDII Scanner ELM327 OBD2Free3.4★ (5)NoYesAug 2026
3OBD2 Car Scanner - EOBD FacileOBD2 Car Scanner - EOBD FacileFree4.6★ (5K)NoYesAug 2026
4ELM327 WiFi DiagnosticELM327 WiFi DiagnosticFree1.0★ (1)NoNoMay 2026
5BlueDriver OBD2 Scan ToolBlueDriver OBD2 Scan ToolFree4.6★ (14K)NoNoAug 2026
6OBD2 Scanner: Torque ELM 327OBD2 Scanner: Torque ELM 327Free4.6★ (912)YesYesAug 2026
7Infocar - OBD2 ELM ScannerInfocar - OBD2 ELM ScannerFree4.5★ (270)NoYesAug 2026
8OBD2 Scanner | OBD Auto DoctorOBD2 Scanner | OBD Auto DoctorFree4.4★ (6.1K)NoYesAug 2026

Top Picks for Elm 327 Bluetooth

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
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

Room to Improve

  • 🐛 Occasional connection issues
  • 🐛 Incorrect sensor readings for some vehicles
  • 🐛 Crashes or freezes on some devices
OBDII Scanner ELM327 OBD2#2

OBDII Scanner ELM327 OBD2 by paul moore

OBD2 Scanner and Trouble codes
Strong Contender
🔧 Utilities
3.4(5 ratings)
FreeIn-App Purchases
OBDII Scanner ELM327 OBD2 screenshot 1
OBDII Scanner ELM327 OBD2 screenshot 2
OBDII Scanner ELM327 OBD2 screenshot 3
OBDII Scanner ELM327 OBD2 screenshot 4
OBDII Scanner ELM327 OBD2 screenshot 5
OBDII Scanner ELM327 OBD2 screenshot 6

This app allows you to scan your car's trouble codes and view live data using an OBD2 Bluetooth adapter. It logs statistics and freeze frames for future reference, storing all diagnostic trouble codes (DTCs) on a server.

OBD2 Car Scanner - EOBD Facile#3

OBD2 Car Scanner - EOBD Facile by OUTILS OBD FACILE SARL

Torque & ELM327 OBD Diagnostic
Worth Considering
🔧 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

More Elm 327 Bluetooth apps to explore

4
ELM327 WiFi Diagnostic
ELM327 WiFi Diagnostic
ELM327 WiFi Diagnostic
Car diagnostic
Free

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.

ELM327 version supportAll protocol supportVersion and protocol checking
🔧 Utilities
(1)
free
5
BlueDriver OBD2 Scan Tool
BlueDriver OBD2 Scan Tool
BlueDriver OBD2 Scan Tool
Fear No Fix™
Free

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.

Read and clear trouble codes (Check Engine, ABS, etc.)Generate professional-grade Repair ReportsAccess Mode 6 and smog readiness data
📊 Productivity
(14K)
free with in-app purchases
6
OBD2 Scanner: Torque ELM 327
OBD2 Scanner: Torque ELM 327
OBD2 Scanner: Torque ELM 327
Torque OBD2 Car Scanner ELM327
Free

Transform your smartphone into a powerful car diagnostic tool. Monitor real-time engine data, read and clear trouble codes, and track your vehicle's performance. Customize your dashboard and access repair manuals to understand and fix issues.

Real-time engine data monitoringRead and clear trouble codesPerformance tracking
🔧 Utilities
(912)
free with in-app purchases
7
Infocar - OBD2 ELM Scanner
Infocar - OBD2 ELM Scanner
Infocar - OBD2 ELM Scanner
OBD2 scanner & car diagnostic
Free

Monitor your vehicle's health and performance with this app. It offers real-time diagnostics, driving style analysis, and maintenance tracking. Connect to your car's OBD2 scanner for detailed insights and improved driving habits.

Vehicle diagnostics and fault code clearingReal-time sensor data monitoringCustomizable dashboard with HUD
🔧 Utilities
(270)
free with in-app purchases
8
OBD2 Scanner | OBD Auto Doctor
OBD2 Scanner | OBD Auto Doctor
OBD2 Scanner | OBD Auto Doctor
Car Diagnostics & Check Engine
Free

Diagnose your car's engine light issues and monitor real-time performance data. This app allows you to read and clear diagnostic trouble codes, track fuel consumption, and view sensor data. It's a comprehensive tool for understanding your vehicle's health.

Read and clear OBD2 diagnostic trouble codes (DTC)Reset Check Engine LightMonitor real-time vehicle data and sensor readings
🔧 Utilities
(6.1K)
free with in-app purchases
9
Car Scanner: OBD2 ELM Reader
Car Scanner: OBD2 ELM Reader
Car Scanner: OBD2 ELM Reader
OBD diagnostics for ELM327
Free

Transform your smartphone into a car diagnostic tool. Read and clear trouble codes, monitor real-time engine data, and access manufacturer-specific information. Analyze driving behavior and track fuel efficiency.

Read and clear OBD2 trouble codesReal-time car data monitoringManufacturer-specific code access
🔧 Utilities
(2)
freemium
10
Elm 327 Car Scanner - Plier.AI
Elm 327 Car Scanner - Plier.AI
Elm 327 Car Scanner - Plier.AI
Torque Pro Obd2 Scanner Elm327
Free

Transform your iPhone into an AI-powered car diagnostic tool. Connect to your vehicle via an OBD2 device to understand its health, diagnose issues, and estimate repair costs.

AI-driven diagnostic reportsReal-time OBD2 data and graphsCheck engine light insights
🔧 Utilities
(5)
free with in-app purchases
11
ELM52
ELM52
ELM52
by Sander Elektronik AG
Free
🔧 Utilities
(0)
12
Bluetooth Control Assistant
Bluetooth Control Assistant
Bluetooth Control Assistant
by SHENZHEN LINGHUZHILIAN TECHNOLOGY CO.,LTD.
Free
🔧 Utilities
(0)
13
OBD Fusion
OBD Fusion
OBD Fusion
OBD2 scan tool & diagnostics
$9.99

This app connects to your car's OBD2 port via a compatible adapter to read vehicle data. Monitor fuel economy, clear check engine lights, and create custom dashboards for real-time diagnostics and performance tracking.

Read and clear OBD2 trouble codesCustomizable real-time dashboardsEstimate fuel economy
✈️ Travel
(19K)
free with in-app purchases
14
OBD2 Expert
OBD2 Expert
OBD2 Expert
ScanTool, Simulator & Bridge
Free

Diagnose and monitor your vehicle's health by connecting an OBD2 adapter. View sensor data, read and reset trouble codes, and analyze diagnostic information. Developers can use it as a hardware simulator or protocol bridge.

Vehicle diagnostics and monitoringRead and reset diagnostic trouble codes (DTC)View current sensor data
🔧 Utilities
(725)
free with in-app purchases
15
OBD2 Car Scanner ELM327: Cavox
OBD2 Car Scanner ELM327: Cavox
OBD2 Car Scanner ELM327: Cavox
Check engine light? AI verdict
Free

Decode your car's check engine light with AI. Get plain-language explanations of trouble codes, likely causes, and urgency. Monitor live sensor data and track your car's history.

Plain-language verdict for trouble codesAI explanations of fault codesLive sensor monitoring (RPM, temp, etc.)
🔧 Utilities
(1)
freemium
16
BluetoothRSSIAnalyser
BluetoothRSSIAnalyser
BluetoothRSSIAnalyser
by Nextgen Technology Limited
Free

This app analyzes Bluetooth signal strength (RSSI) for nearby devices. It provides a live view of signal levels and logs all discoverable Bluetooth Smart devices.

Measures Bluetooth RSSI level liveDisplays live scanner meterLogs nearby Bluetooth Smart devices
📊 Productivity
(0)
free
17
Bluetooth Auto Connect
Bluetooth Auto Connect
Bluetooth Auto Connect
Connect & manage all devices
Free

Easily discover, connect, and manage all your Bluetooth devices from one central hub. It automatically saves connections and offers advanced search for smart devices, simplifying your Bluetooth experience.

Discover nearby Bluetooth devicesOne-tap connectionAutomatic connection saving
🛠️ Developer Tools
(6)
ad-supported
18
Bluetooth Radar - Find Devices
Bluetooth Radar - Find Devices
Bluetooth Radar - Find Devices
Quickly find your Bluetooth
Free

Locate misplaced Bluetooth devices quickly using real-time signal strength and distance indicators. The app guides you directly to your headphones, speakers, or trackers with a radar-style view and helpful directional cues. It works offline and prioritizes user privacy with no account required.

Real-time Bluetooth scanningLive distance and signal strength displayDirectional guidance
🔧 Utilities
(2)
ad-supported
19
Elipson BT
Elipson BT
Elipson BT
by AV INDUSTRY
Free
🔧 Utilities
(0)
20
Webler
Webler
Webler
Easy to test bluetooth in web
Free
🔧 Utilities
(0)

FAQ about Elm 327 Bluetooth

What are the best elm 327 bluetooth apps for iPhone?
Car Scanner ELM OBD2 tops our elm 327 bluetooth apps ranking as of August 2026, with a 4.8-star average from 32K App Store ratings, and it's free to download.
Yes — 19 of the top elm 327 bluetooth apps we rank are free to download, including Car Scanner ELM OBD2 and OBDII Scanner ELM327 OBD2.
Car Scanner ELM OBD2 shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ elm 327 bluetooth 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.