Three apps, one engine: choose your perfect OBD-II assistant.

Swipe to see which one takes you from novice pilot to home mechanic.

Torque Pro

Torque Pro It's the benchmark for Android enthusiasts: it connects via Bluetooth to your OBD-II dongle and displays error codes, engine parameters, and performance figures in real time. Its customizable screen allows you to display gauges for revs, coolant temperature, fuel pressure, and current fuel consumption.

Pros

• Live graphics: Monitors up to 20 sensors simultaneously.
• Reading and clearing DTCs: Identifies faults (P0xxx) and clears fault lights.
• Add-ons: plugins for GPS, acceleration data and route maps.

Cons

• Learning curve: The multitude of menus can be confusing at first.
• Android only: There is no official version for iOS.
• Somewhat outdated interface: The design is not as polished as other apps.

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Car Scanner ELM OBD2

Car Scanner (available on iOS and Android) simplifies mechanics by offering diagnostics and tests for each sensor. You can evaluate lambda sensors, MAF/MAP, EGR, and battery status. It includes a map view with fault geolocation.

Pros

• Wide compatibility: Works with most Bluetooth and Wi-Fi adapters.
• Sensor testing: actuator testing, emissions monitoring and readiness status.
• Free version: with basic functions, no ads.

Cons

• Limitations of the free: For advanced dashboards and recording you need the Pro version (≈€5).
• Saturated menu: Too many options on the home screen.
• Battery consumption: GPS and continuous recording can drain your phone faster.

FIXD OBD2

FIXD Combines hardware and app (iOS/Android) to simplify processes: warns with simple alerts (green, amber, red), translates codes into colloquial language and schedules maintenance reminders (oil, belts, filters).

Pros

• Clear warnings: You don’t need to know any codes, the app tells you “Check brakes” or “Change spark plugs.”
• Scheduled maintenance: Create tasks and notifications based on mileage.
• User-friendly interface: ideal for beginners with no mechanical knowledge.

Cons

• Subscription required: Advanced information and PDF reports require a premium plan (≈€5/month).
• Less raw data: Does not offer the level of detail of Torque or Car Scanner.
• Specific hardware: Only works with your own FIXD dongle.

You can download the apps from their stores

App	Key resources	Usability	Cost	Compatibility
Torque Pro	20 gauges, DTCs, GPS plugins	Average	€5 (one-time payment)	Android only
Car Scanner ELM OBD2	Sensor tests, maps	Medium-High	Free/€5 Pro	iOS and Android
FIXD OBD2	Colloquial alerts, reminders	High	0–5 €/month Premium	iOS and Android (dongle)

Swipe to the Part 3 and get started: diagnose your injection light, customize your panels, and schedule the perfect maintenance.