Best Bluetooth Vehicle Diagnostic Dongle Apps

250+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated September 2026

If you already know TOPDON CarPal, this is the deeper bench. 250+ bluetooth vehicle diagnostic dongle apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.

Compare top Bluetooth Vehicle Diagnostic Dongle Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1TOPDON CarPalTOPDON CarPalFree3.7★ (38)NoYesSep 2026
2RepairSolutions2RepairSolutions2Free4.8★ (38K)NoYesSep 2026
3Car Scanner ELM OBD2Car Scanner ELM OBD2Free4.8★ (32K)YesYesSep 2026
4Auto AgentAuto AgentFree4.9★ (34K)NoYesSep 2026
5MyHyundai with BluelinkMyHyundai with BluelinkFree4.8★ (494K)NoNoSep 2026
6myChevroletmyChevroletFree4.8★ (956K)YesNoSep 2026
7BlueDriver OBD2 Scan ToolBlueDriver OBD2 Scan ToolFree4.6★ (14K)NoNoSep 2026
8DiagnosisDiagnosisFreeNoNoMay 2026

Top Picks for Bluetooth Vehicle Diagnostic Dongle

TOPDON CarPal#1

TOPDON CarPal by HK TOPDON TECHNOLOGY Co., LIMITED

OBDII Diagnostic Scan Tool
Editor's Choice
🔧 Utilities
3.7(38 ratings)
FreeIn-App Purchases
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Transform your phone into a powerful car diagnostic tool with this app. It offers comprehensive system scans, full OBDII functionality, and specialized maintenance services for a wide range of vehicle brands. Easily identify issues, access repair data, and generate detailed reports wirelessly.

4.8😊(38K ratings)
FreeIn-App Purchases
RepairSolutions2 screenshot 1
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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#3

Car Scanner ELM OBD2 by Stanislav Svistunov

The best OBD2 diagnostic tool!
Worth Considering
🔧 Utilities
4.8😊(32K ratings)
FreeAdsIn-App Purchases
Car Scanner ELM OBD2 screenshot 1
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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

More Bluetooth Vehicle Diagnostic Dongle apps to explore

FAQ about Bluetooth Vehicle Diagnostic Dongle

What are the best bluetooth vehicle diagnostic dongle apps for iPhone?
TOPDON CarPal tops our bluetooth vehicle diagnostic dongle apps ranking as of September 2026, with a 3.7-star average from 38 App Store ratings, and it's free to download.
Yes — 20 of the top bluetooth vehicle diagnostic dongle apps we rank are free to download, including TOPDON CarPal and RepairSolutions2.
TOPDON CarPal has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ bluetooth vehicle diagnostic dongle apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app transforms your phone into a powerful OBDII diagnostic scan tool. It allows for comprehensive full system diagnosis, including engine, transmission, and ABS, as well as all 10 modes of OBD2 testing. You can also perform various maintenance services and access a repair data library.
Key features include full system diagnosis across multiple vehicle modules, complete OBD2 functions free for life, 6 special maintenance functions like Oil Reset and EPB Reset, AutoVIN for quick vehicle identification, and wireless Bluetooth connectivity. It also generates detailed diagnostic reports and displays data in an easy-to-interpret format.