Car Scanner vs OpenOBD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Car Scanner
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Keep your vehicle in top condition with our app. Access real-time vehicle data, monitor performance, and gain valuable insights into your car's health through an easy-to-use dashboard. Main Features: • Real-time vehicle monitoring • View engine and performance data • Track speed, RPM, temperature, and more • Read and monitor diagnostic information • User-friendly dashboard and controls • Detailed driving and vehicle insights Why You'll Love It: • Stay informed about your vehicle's condition • Monitor key performance metrics in real time • Useful for everyday drivers and car enthusiasts • Simple setup and intuitive interface Subscription Details: • Weekly Plan: $6.99/week with a 3-day free trial Payment will be charged to your iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours before the end of the current period. You can manage or cancel your subscription at any time through your iTunes Account settings. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription. Privacy Policy: https://docs.google.com/document/d/10pK0SSTIKTUlpt_4KosDXg6JBnIRcQYGcKuBjFVe260/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/1Gr8OYNNe1l6GMWGxN_Erl4OpLty1EjUL8T4DP94-FgQ/edit?usp=sharing
OpenOBD
Transform your iPhone into a real-time car dashboard. Connect an OBD2 adapter to monitor live engine data, track your trips with GPS, and diagnose fault codes with clear explanations. Explore all features in demo mode without hardware.
- Live engine data monitoring
- Real-time speed, RPM, temperature gauges
- Trip logging with GPS mapping
- Read and clear diagnostic trouble codes (DTCs)
- Vehicle information display
- Demo mode for exploration
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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.
Screenshots
Verdict
Car Scanner and OpenOBD are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Car Scanner sells 1 in-app purchase, starting at $6.99 per 7 days and OpenOBD sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Car Scanner ships an update every 11 days, OpenOBD weekly. The most recent releases landed on October 12, 2026 and November 10, 2026 respectively.
| Parameter | Car Scanner | OpenOBD |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 11 days | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 60 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | Nataliia Tkach | Osman Cengeri |
In-app purchases
Car Scanner
- Smart Car Scanner OBD23 Days trial$6.997 Days
OpenOBD
- Founder Pack$4.99
Questions
Is Car Scanner free?
Is OpenOBD free?
Do Car Scanner or OpenOBD have ads?
Which is updated more often, Car Scanner or OpenOBD?
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