OBD Scan Pro vs OpenOBD

OBD Scan Pro — Professional Vehicle Diagnostics on iPhone and iPad Turn any ELM327 OBD-II adapter into a workshop-grade diagnostic tool. OBD Scan Pro reads real-time data from your vehicle's ECU, analyzes fault codes with AI, and produces professional PDF reports — all in English or Arabic with full RTL support. Whether you're a vehicle owner who wants to understand what the Check Engine Light means, or a mechanic who needs polished reports for customers, OBD Scan Pro gives you the insights big-name scan tools provide at a fraction of the cost. DIAGNOSTICS • Read stored, pending, and permanent DTCs from all ECU modules (PCM, TCM, ABS, BCM, SRS, HVAC) • AI-powered explanations: cause, symptoms, fix, and severity for every code • Reset Check Engine Light (Mode 04) with pre-scan and post-clear verification • Mode 06 on-board test results • Freeze frame capture — see exactly what your engine was doing when the fault triggered • Emissions readiness monitors (Catalyst, EVAP, O2, EGR, and more) LIVE DATA • 60+ live PIDs streamed from your ECU • Real-time gauges for RPM, speed, coolant, throttle, load, intake temp, MAF, fuel trim • Trend graphs over 30 second to 5 minute windows • Adaptive polling that prioritizes fast-changing sensors PROFESSIONAL REPORTS • Three scan types: Static (engine off), Live Data (5 minutes driving), or Full • Workshop-branded PDF reports with logo, technician name, and customer details • AI-generated summary, health score (A to F grade), and prioritized recommendations • GPS location tagging • Share via WhatsApp or any iOS share sheet • Full report history with iCloud sync PERFORMANCE AND ECONOMY • 0-100 km/h timer with launch detection • Quarter-mile time and trap speed • Horsepower and torque estimation from RPM and load • Live fuel economy (km/L) with eco score, CO2 estimate, and fuel cost in your local currency • Trip history with side-by-side comparisons SMART ALERTS AND MAINTENANCE • Configurable alerts for high coolant temp, low voltage, over-RPM, over-speed, oil temp, and boost pressure • Push notifications with trend tracking • AI-generated maintenance schedule personalized to your vehicle (oil, brakes, filters, tires, fluids) • Service reminders, completion tracking, and a maintenance health ring ADVANCED FEATURES • Vehicle Control: send ECU commands (fan, locks, lights) with safety interlocks • Headlamp Diagnostic: focused BCM scan with AI root-cause analysis • AI Mechanic: chat with an expert that knows your specific vehicle • AI command discovery: find manufacturer-specific OBD commands • VIN decoder for 40+ brands MULTI-VEHICLE AND CLOUD • Manage unlimited vehicles with custom profiles, colors, and odometer tracking • Multiple workshop and company profiles for branded reports • iCloud sync for reports, profiles, and history across devices • Multi-currency support for fuel prices and service costs APPLE INTEGRATIONS • Apple CarPlay support — view live data while driving • Sign in with Apple • Native dark mode • Designed for iPad as well as iPhone • Full Arabic localization with proper RTL layout HARDWARE COMPATIBILITY Works with any ELM327 v1.5 or later OBD-II adapter: • Bluetooth Low Energy (BLE) • WiFi (TCP socket) • Auto-detects all OBD-II protocols: ISO 9141-2, ISO 14230 KWP, SAE J1850 PWM/VPW, ISO 15765 CAN Compatible with all OBD-II vehicles (1996+ in the US, 2001+ in the EU, varies by region). Premium features include up to 20 full diagnostic scans a day with AI reports, performance testing, fuel economy, driving alerts, AI maintenance, headlamp diagnostics and vehicle control, and Premium removes ads. The free tier covers core diagnostics and live data, with ads.

OpenOBD turns your iPhone into a real-time car dashboard. Connect any ELM327 OBD2 adapter (Bluetooth or Wi-Fi) and see what your car is really doing — live. LIVE ENGINE DATA • Speed, RPM, coolant temperature, intake, throttle, engine load, battery voltage and more • 50+ sensors with gauges you pick and reorder yourself • Instant and average fuel consumption • Tap any gauge for a live 60-second chart CARPLAY • A live 8-tile dashboard on your car's built-in screen • Start and stop trip recording without touching your phone DIAGNOSTICS • Read and clear fault codes (DTCs) with plain-language explanations • For common codes: what it means, how urgent it is, what to do next • Emissions readiness monitors before an inspection • Freeze frame — the sensor values from the moment the fault occurred • Vehicle info: VIN, fuel type, supported sensors TRIP LOGGING • Automatically record your drives with the GPS route on a map • Keeps recording in the background, even with the screen locked • Distance, duration, speed and fuel for every trip • Export any trip as CSV or GPX CAR HEALTH TOOLS • Battery and charging test: state of charge, alternator and cranking check • Diesel and DPF pre-check from standard, read-only OBD evidence • Used car check before you buy • Measure 0-100 km/h acceleration and 100-0 km/h braking • Live alerts for overheating and low voltage, in plain language BUILT FOR DRIVERS • Beautiful dark interface designed for the car • Over 40 languages, metric and imperial units • Works with affordable ELM327 adapters — no subscription, no account, no ads • Your data stays on your phone TRY IT WITHOUT HARDWARE • Tap Connect, then Demo Mode, to explore every feature with simulated live data OpenOBD is not affiliated with any car manufacturer. An OBD2 adapter (sold separately) is required to read data from your vehicle. Most petrol cars built after 2001 and diesels after 2004 are supported. The battery, diesel and used-car results are read-only pre-checks and do not replace a professional inspection.