RevDash vs OpenOBD

See your car’s live data, understand diagnostic codes, and keep a detailed record of your drives. RevDash brings the information that matters into a clear dashboard built for iPhone. Connect a compatible ELM327 BLE OBD-II adapter to get started. YOUR DRIVE, LIVE Follow speed, engine RPM, coolant temperature, and other available readings on an instrument-inspired dashboard. Fuel data and other readings depend on what your vehicle supports. TRIPS THAT RECORD THEMSELVES When your adapter is connected, RevDash can detect and record your drives automatically. Look back at distance, duration, fuel use, and route maps in your trip history. DIAGNOSTICS IN PLAIN LANGUAGE Read and clear supported OBD-II trouble codes. Clear descriptions help you understand what a warning code means and keep track of diagnostics for each vehicle. INSIGHTS OVER TIME Explore weekly driving patterns and fuel economy trends. On supported iPhones, Apple Intelligence adds on-device driving summaries. THE DETAILS, AT A GLANCE Check recent trip information in widgets, follow live vehicle status on the Lock Screen and Dynamic Island, and view key information with CarPlay. ROOM FOR EVERY VEHICLE Keep separate trips, diagnostics, and settings for each vehicle in your garage. PRIVATE BY DESIGN No ads, subscriptions, analytics, or cloud account. Your driving data stays on your iPhone. WHAT YOU NEED • A compatible ELM327 BLE OBD-II adapter • A vehicle with an OBD-II port • Bluetooth enabled; Location access for route recording Apple Intelligence features require a supported iPhone and iOS version. Available vehicle readings vary by make, model, and adapter.

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.