Comparison

Fixlith Scan vs OpenOBD

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Fixlith Scan

Transform your iPhone or iPad into a professional car diagnostic scanner. Read fault codes, monitor live engine sensors, and receive AI-powered repair recommendations. Save money on mechanic visits with comprehensive vehicle health insights.

Highlights
  • Read and clear fault codes
  • Monitor 200+ live sensors
  • AI-powered repair recommendations
  • ECU coding and service functions
  • Vehicle health dashboard
  • Manage up to 5 vehicles
Features
Read full description

Fixlith Scan turns your iPhone or iPad into a professional OBD-II diagnostic scanner. Connect any ELM327 adapter via Bluetooth or Wi-Fi — read fault codes, monitor 200+ live sensors, run ECU coding, and get AI-powered repair recommendations. Save hundreds on mechanic visits. FULL CAR DIAGNOSTICS • Read & clear fault codes: Stored, Pending, and Permanent DTC • Freeze Frame — exact engine conditions at the moment of failure • I/M Readiness monitor status for emissions inspection • Automatic VIN reading with vehicle make/model identification • Supports all OBD-II protocols: CAN, ISO 9141, KWP2000, J1850 200+ LIVE SENSORS IN REAL TIME • RPM, speed, coolant temp, fuel trim, O2 sensors, MAF, turbo boost • 14 sensor categories including Hybrid/EV, Diesel DPF, and TPMS • Configurable monitoring profiles: Eco, Diagnostic, Highway, Custom • Real-time graphs, anomaly detection, and min/max/avg statistics • Built-in speedometer and trip performance tracking AI-POWERED FAULT ANALYSIS • AI explains DTC codes with probable causes and severity rating • Estimated repair costs • Sensor correlation — AI checks related live data for deeper diagnosis • 9 categories of maintenance insights: engine, fuel, cooling, brakes, exhaust • Offline mode: basic rule-based analysis works without internet 26+ ECU CODING & SERVICE FUNCTIONS • Clear DTC codes with post-clear verification • Service interval reset and oil change counter reset • TPMS sensor relearning and calibration • Throttle body adaptation and transmission reset • Steering angle sensor (SAS) calibration • O2 sensor test, catalyst efficiency test, EVAP leak test • EGR valve test, cooling fan activation, turbo actuator test • ECU info: VIN, part number, software version • UDS support: BMW, Mercedes, VW/Audi, Toyota, Ford, GM, Hyundai/Kia VEHICLE HEALTH DASHBOARD • Health Score with weighted subsystem calculation • Engine, Cooling, Transmission, Intake • Animated bar charts per subsystem with real DTC-based data • TPMS tire pressure and temperature per wheel • 68 car brands with automatic identification • Share your Health Score via messages and social media FIND SERVICE & BOOK ONLINE • 9 service categories: auto repair, tire shop, car wash, gas station, EV charging, towing, dealership, parking, auto parts • Maps integration with distance, rating, and price filters GARAGE — MANAGE UP TO 5 VEHICLES • Store multiple vehicles with VIN, make, model, year, mileage • Track health history per vehicle across all scans • Auto-detect active vehicle by VIN on connection • PDF diagnostic reports for your mechanic (Pro) ACHIEVEMENTS • Earn bonus AI credits for milestones • Track your scan streak and estimated savings CONNECT IN SECONDS • Bluetooth and Wi-Fi ELM327 adapters • Auto-detect with saved device memory • Smart auto-reconnect with signal strength display • All diagnostic features work fully offline Beware of counterfeit (clone) ELM327 adapters! They may cause connection issues, incorrect readings, and unstable operation. Use original adapters for reliable diagnostics. SUBSCRIPTION PLANS • Free — basic DTC reading • Weekly — full access for 7 days, 10 AI queries (ideal for one-time checks) • Monthly — 30 AI queries/month • Yearly — best value, save 44% Payment will be charged to your Apple ID at purchase confirmation. Subscriptions automatically renew unless cancelled at least 24 hours before the period ends. Manage or cancel in your Account Settings. Privacy Policy: https://fixlithscan.com/privacy-policy.html Terms of Use: https://fixlithscan.com/terms-of-service.html

About

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.

Highlights
  • 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
Features
Read full description

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

Fixlith Scan4 screens
OpenOBD4 screens

Verdict

The call

The clearest difference is monetization model: OpenOBD at free against Fixlith Scan's free with in-app purchases. OpenOBD also leads on ratings volume (5 vs 1). Fixlith Scan's advantage is rating (5.0 vs 4.8). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Fixlith Scan sells 3 in-app purchases, starting at $2.99 per 7 days and OpenOBD sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Fixlith Scan holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: OpenOBD has 5 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 13, 2026 and November 10, 2026 respectively.

Scorecard3 real differences · 7 level
Fixlith Scan versus OpenOBD: the parameters behind the verdict, then further details
ParameterFixlith ScanOpenOBD
PriceFreeFree
Rating5.0 (1 ratings) — better4.8 (5 ratings)
Positive reviews—100.0% of reviews
Number of ratings15 — better
Update frequencyWeeklyWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better16.4
Further details — not scored
Size80 MB80 MB
Age rating4+4+
DeveloperOleksander YaremchukOsman Cengeri

Customer experience

Fixlith Scan

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

OpenOBD

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Fixlith Scan

Subscriptions3
  • Fixlith Pro Weekly$2.997 Days
  • Fixlith Pro Monthly$5.991 Month
  • Fixlith Pro Yearly$39.991 Year
1 purchases

OpenOBD

One-time1
  • Founder Pack$4.99

Questions

Is Fixlith Scan free?
Fixlith Scan is free to download, with in-app purchases available.
Is OpenOBD free?
OpenOBD is free to download, with in-app purchases available.
Which has better reviews, Fixlith Scan or OpenOBD?
Fixlith Scan is rated higher. Fixlith Scan averages 5.0 out of 5 from 1 ratings, while OpenOBD averages 4.8 from 5 ratings.
Do Fixlith Scan or OpenOBD have ads?
Neither Fixlith Scan nor OpenOBD shows ads.
Which is updated more often, Fixlith Scan or OpenOBD?
Fixlith Scan ships an update weekly, and OpenOBD weekly. Most recently, Fixlith Scan was updated on November 13, 2026 and OpenOBD on November 10, 2026.

Other comparisons