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Best Celestelab Diagnostic Apps

229+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated May 2026

With an average user rating of 4.5★, the celestelab diagnostic category is one of the App Store's strongest. Browse all 229+ apps we track, sorted so the most loved ones surface first.

Compare top Celestelab Diagnostic Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1CelesteLab DiagnosticCelesteLab DiagnosticFree—NoNoMay 2026
2Carly — OBD2 car scannerCarly — OBD2 car scannerFree4.6★ (9.8K)NoYesAug 2026
3Auto AgentAuto AgentFree4.9★ (34K)NoYesAug 2026
4Carista OBD2Carista OBD2Free4.6★ (4K)YesYesAug 2026
5FIXD OBD2 ScannerFIXD OBD2 ScannerFree4.6★ (26K)NoYesAug 2026
6Car Scanner ELM OBD2Car Scanner ELM OBD2Free4.8★ (32K)YesYesAug 2026
7MyRacePassMyRacePassFree4.8★ (11K)NoYesAug 2026
8BlueDriver OBD2 Scan ToolBlueDriver OBD2 Scan ToolFree4.6★ (14K)NoNoAug 2026

Top Picks for Celestelab Diagnostic

Carly — OBD2 car scanner#2

Carly — OBD2 car scanner by Carly Solutions GmbH Co KG

Diagnose, Code and Service
Strong Contender
📊 Productivity
4.6😐(9.8K ratings)
FreeIn-App Purchases
Carly — OBD2 car scanner screenshot 1
Carly — OBD2 car scanner screenshot 2
Carly — OBD2 car scanner screenshot 3
Carly — OBD2 car scanner screenshot 4
Carly — OBD2 car scanner screenshot 5
Carly — OBD2 car scanner screenshot 6

This app allows car owners to diagnose issues, monitor live engine data, and perform maintenance tasks. It offers advanced features like coding hidden car functions and detecting mileage manipulation, helping users save on repairs and understand their vehicle's health.

What We Love

  • 👍 Great customer service
  • 🚀 Lots of functionality
  • 💡 Useful diagnostic and coding features
  • 🔒 Secure and reliable

Room to Improve

  • 💰 Expensive subscription model
  • 🐛 Connectivity and compatibility issues
  • 🔍 Limited functionality for some vehicles
Auto Agent#3

Auto Agent by EZ LYNK

Worth Considering
🔧 Utilities
4.9😊(34K ratings)
FreeIn-App Purchases
Auto Agent screenshot 1
Auto Agent screenshot 2
Auto Agent screenshot 3
Auto Agent screenshot 4
Auto Agent screenshot 5
Auto Agent screenshot 6

Monitor, diagnose, and update your vehicle's software remotely. This powerful tool allows you to view live data, read and clear diagnostic codes, and record data for your technician. Connect directly with your mechanic for remote assistance and software updates, saving you trips to the repair shop.

What We Love

  • 🚀 Great monitoring tool
  • 🔧 Useful for tuning and diagnostics
  • 👍 Easy to use and navigate
  • 💯 Excellent customer service

Room to Improve

  • 🐛 Connection issues
  • 🤔 Lacking some customization options
  • 🔌 Compatibility problems with updates

More Celestelab Diagnostic apps to explore

4
Carista OBD2
Carista OBD2
Carista OBD2
Code, Service, Diagnose cars
Free

This app acts as a DIY car mechanic, allowing you to customize features, diagnose warning lights, monitor live data, and perform maintenance. Save time and money by handling common car tasks yourself.

Customize car behavior and unlock hidden featuresDiagnose and reset dashboard warning lightsMonitor real-time vehicle parameters
🔧 Utilities
(4K)
free with in-app purchases
5
FIXD OBD2 Scanner
FIXD OBD2 Scanner
FIXD OBD2 Scanner
Clear Your Check Engine Light
Free

This app translates your car's diagnostic trouble codes into plain language, helping you understand potential issues and their severity. It provides maintenance reminders and offers advanced features like issue forecasting and emissions pre-checks with a premium subscription.

Translate check engine light codesUnderstand issue severityMaintenance reminders
🔧 Utilities
(26K)
free with in-app purchases
6
Car Scanner ELM OBD2
Car Scanner ELM OBD2
Car Scanner ELM OBD2
The best OBD2 diagnostic tool!
Free

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.

Real-time sensor dataOBD fault code reading and resettingCustomizable dashboard with gauges
🔧 Utilities
(32K)
free with in-app purchases
7
MyRacePass
MyRacePass
MyRacePass
The Ultimate Racing Resource
Free

Access real-time racing lineups, results, and track information. Follow favorite series, view standings, and get event updates. Includes fantasy racing and announcer audio.

Real-time lineups and resultsTrack and series followingLive timing and lap data
⚽ Sports
(11K)
free with in-app purchases
8
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
9
Xtool Anyscan
Xtool Anyscan
Xtool Anyscan
OBD Diagnostic
Free

This smart diagnostic system connects to your iPhone or iPad to provide on-demand vehicle diagnostics. It offers comprehensive coverage for a wide range of car makes and includes full system diagnosis with various special functions.

Comprehensive vehicle coverageFull system diagnosisSpecial functions
🔧 Utilities
(77)
free
10
OBD JScan
OBD JScan
OBD JScan
by Piotr Bialic
Free

This app provides advanced diagnostics for Jeep, Chrysler, and Dodge vehicles. It allows users to read and clear trouble codes, view live sensor data, and access settings across all vehicle modules, including ABS and transmission.

Read/Clear Diagnostic Trouble CodesAccess Live Data from all sensorsView vehicle settings
🔧 Utilities
(1.3K)
free with in-app purchases
11
Car Play Connect, Sync & Care
Car Play Connect, Sync & Care
Car Play Connect, Sync & Care
My Remote Pass & Mobile Link 3
Free

Monitor your vehicle's vital statistics like fuel, battery, and tire pressure in real-time. The app also offers a dedicated driving mode for safer navigation and a service tracker to manage maintenance history. Keep all your car information and maintenance records in one convenient place.

Real-time vehicle status monitoringEnhanced Driving Mode with new layoutService Tracker for maintenance history
🔧 Utilities
(48K)
free with in-app purchases
12
Car Play Connect: Remote Sync
Car Play Connect: Remote Sync
Car Play Connect: Remote Sync
Digital Mobile Driving
Free

Monitor your vehicle's vital information, track performance stats, and locate essential services like gas stations and EV chargers. This app enhances your driving experience by keeping key data accessible and providing navigation assistance.

Vehicle information dashboardPerformance stats trackingFuel and battery level monitoring
🔧 Utilities
(20K)
subscription
13
OBDeleven – OBD2 car scanner
OBDeleven – OBD2 car scanner
OBDeleven – OBD2 car scanner
Diagnostics & customization
Free

Transform your smartphone into a powerful car diagnostic and customization tool. Easily scan trouble codes, monitor live data, and access advanced features like coding and service functions for a wide range of car brands. Save time and money on car maintenance and personalization.

Basic OBD2 diagnosticsLive data monitoringAdvanced diagnostics for licensed brands
🔧 Utilities
(1.3K)
free with in-app purchases
14
CARFAX - New & Used Cars
CARFAX - New & Used Cars
CARFAX - New & Used Cars
Shop CARFAX with Confidence
Free

Browse new, used, and certified pre-owned vehicles from dealerships near you. Access free CARFAX Vehicle History Reports with every used car listing, view price history, and compare vehicles with detailed information and photos.

Free CARFAX Vehicle History Report with used carsSave favorites and get price drop alertsView car value based on history
🛍️ Shopping
(368K)
free with in-app purchases
15
CARFAX Car Care
CARFAX Car Care
CARFAX Car Care
Track Maintenance & Repairs
Free

Manage your vehicle's maintenance and repair history in one convenient app. Receive service reminders, get repair cost estimates, and track mileage and fuel efficiency. Stay informed about safety recalls and find trusted service centers.

Customized dashboard with service due datesService history and maintenance alertsRepair cost estimates
🌟 Lifestyle
(125K)
free with in-app purchases
16
Car Play Connect: Remote Start
Car Play Connect: Remote Start
Car Play Connect: Remote Start
Car Sync & Connect, Auto Link
Free

Transform your car into a smart, connected hub. This app offers AI assistance, remote car control, real-time health insights, and seamless integration with navigation and entertainment.

AI-powered car assistantRemote car start, lock, and unlockDriving mode with navigation and music
🔧 Utilities
(26K)
freemium
17
Elitek
Elitek
Elitek
Vehicle Diagnostic Services
Free

This app allows you to perform vehicle scans and connect with a technician using a compatible device. It offers pre- and post-scans, vehicle programming, and automatic email delivery of results and invoices.

Pre- and Post-vehicle scansVehicle programmingRemote technician support
🔧 Utilities
(9)
free
18
OBD2 Car Scanner - Torque FixD
OBD2 Car Scanner - Torque FixD
OBD2 Car Scanner - Torque FixD
OBD2 ELM Diagnostic, Car HUD
Free

Diagnose your car's engine and transmission with real-time data, customizable dashboards, and emissions readiness checks. This app connects to your vehicle's OBD2 system via Wi-Fi or Bluetooth for comprehensive maintenance and performance insights.

Comprehensive diagnosticsCustomizable dashboardReal-time monitoring
🔧 Utilities
(1.3K)
free with in-app purchases
19
Mechanic Mindset
Mechanic Mindset
Mechanic Mindset
Makes diagnostic easier
Free

Access automotive diagnostic training courses and connect with a community of mechanics. Watch video modules on electrical diagnostics, CAN bus, and engine management to enhance your skills with professional tools.

Access training coursesConnect with communityPrivate chat
📚 Education
(8)
subscription
20
DashCommand - OBD-II Gauges
DashCommand - OBD-II Gauges
DashCommand - OBD-II Gauges
OBD-II Dashboards, Scan Tool
$9.99

Turn your smartphone into a powerful vehicle monitoring and diagnostic tool. Track engine performance, fuel economy, and instantly diagnose check engine lights. Features advanced dashboards for performance analysis and off-roading.

Customizable vehicle performance displayEngine and vehicle data loggingRead and clear check engine lights
⚽ Sports
(2.1K)
free with in-app purchases

FAQ about Celestelab Diagnostic

Are there free celestelab diagnostic apps for iPhone?
Yes — 19 of the top celestelab diagnostic apps we rank are free to download, including CelesteLab Diagnostic and Carly — OBD2 car scanner.
CelesteLab Diagnostic has no ads and has no in-app purchases, according to its App Store listing as of May 2026.
We track 229+ celestelab diagnostic apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.