Comparison

MotorBit OBD 2 vs Cortex OBD2 Diagnostic Scanner

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

Head to head
About

MotorBit OBD 2

Features
Read full description

MotorBit OBD2 – Professional Vehicle Diagnostics & Engine Analysis Diagnose your vehicle like a professional service tool. MotorBit OBD2 is an advanced vehicle diagnostics and analysis app that works with ELM327-compatible Bluetooth adapters. View real-time sensor data, read and clear fault codes, perform performance tests, and analyze your engine data in detail. Free Features Bluetooth Connection • Compatible with ELM327 Bluetooth adapters • Supports Bluetooth LE (4.0+) and MFi • Automatic and manual connection options • Fast device scanning Live Dashboard • Engine RPM, speed, temperature • Throttle position and engine load • Fuel pressure and intake manifold pressure • Lambda sensor and fuel level • Professional service tool-style interface Fault Codes (DTC) • Read P, C, B, and U codes • English fault descriptions • Clear fault codes • Freeze frame data • Check Engine (MIL) status Live Graphs • Real-time sensor graphs • Multi-parameter display • Zoom and scroll support • CSV and JSON data export OBD-II Monitors • Emissions system status • Readiness tests • ECU information and calibration ID MotorBit Pro Features Performance Tests • 0–100 km/h acceleration test • 100–0 km/h braking test • Quarter mile (1/4 mile) test • Engine power analysis Statistics • Driving distance and duration • Average and maximum speed • Fuel consumption analysis • Trip computer Advanced Diagnostics • VIN decoding (vehicle information) • Detailed freeze frame analysis • Emissions monitors • Fuel trim analysis (STFT / LTFT) Data Logging & Reporting • Record sensor data • CSV and JSON export • Generate PDF reports • Dated history logs Custom PID Support • User-defined parameters • Custom formula support • Advanced sensor integration ELM327 Terminal • Direct ELM327 commands • AT command support • OBD commands (Mode 01–09) • Command history Supported Devices • ELM327 Bluetooth (v1.5+) • OBDLink MX+, LX, CX • Vgate iCar Pro • BAFX Products • ScanTool OBDLink • Veepeak Mini / Plus • Carista OBD2 • All ELM327-compatible adapters Supported Protocols • ISO 9141-2 • ISO 14230-4 (KWP2000) • ISO 15765-4 (CAN) • SAE J1850 PWM • SAE J1850 VPW Design & Performance • Professional service tool interface • Dark theme (eye-friendly) • High-contrast gauges • Real-time data updates • Optimized Bluetooth communication Privacy • All data is stored on your device • No data is sent to servers • No ads or tracking Demo Mode You can try the app even without an OBD-II adapter. Test all features with simulated data in demo mode. Use Cases • Engine fault detection • Check Engine light diagnostics • Emissions test preparation • Fuel consumption analysis • Performance measurement • Vehicle maintenance tracking • Used car inspection Support www.motorbit.o2canyon.com Notes • Works with vehicles that support the OBD-II standard (1996+) • Requires an ELM327-compatible Bluetooth adapter • Do not use while driving • Consult a professional service for critical issues Access your vehicle’s engine data, detect faults, and analyze performance with MotorBit OBD2. Professional vehicle diagnostics are now in your pocket.

About

Cortex OBD2 Diagnostic Scanner

Read full description

Turn your iPhone into an advanced automotive scanner and professional diagnostic powerhouse with Cortex OBD2 Diagnostic Scanner. Designed for car enthusiasts, daily drivers, and DIY mechanics, Cortex OBD2 connects wirelessly via Bluetooth to your vehicle’s ECU to deliver instant insights, eliminate mystery dashboard warning lights, and unlock hidden vehicle features. WHY CORTEX OBD2? ► INSTANT OBD-II SCAN & CLEAR CODES Read and reset Diagnostic Trouble Codes (DTCs) across Engine, Transmission, ABS, and Airbag modules. Access freeze-frame sensor data to diagnose intermittent faults and clear that Check Engine light with a single tap. ► REAL-TIME COCKPIT GAUGES (10 HZ STREAMING) Track up to 6 live engine parameters simultaneously with custom analog dials and digital readouts: • Engine RPM with redline alerts & Vehicle Speed • Coolant Temperature, Oil Temp & Intake Air Temp • Turbo Boost Pressure & Manifold Absolute Pressure (MAP) • Battery Voltage, Throttle Position & Calculated Engine Load ► I/M EMISSION & SMOG INSPECTION READINESS Avoid inspection surprises. Verify whether your vehicle’s emission monitors (Catalytic Converter, DPF, SCR/AdBlue, Evaporative System, EGR/VVT, Oxygen Sensors) are officially set to "READY" before visiting the testing station. ► STATIONARY DPF REGENERATION (DIESEL) Perform forced stationary Diesel Particulate Filter (DPF) soot burn routines via UDS Service 0x31. Monitor exhaust gas temperature (EGT), soot mass accumulation in grams, and differential pressure in real-time with automatic safety interlocks. ► DUAL-CLUTCH (DCT / DSG) TRANSMISSION ADAPTATION Execute transmission basic settings and clutch touch-point calibrations on automated gearboxes (DSG, Powershift, EDC) to eliminate low-speed shudder and restore smooth gear shifts. ► HORSEPOWER & TORQUE DYNO CALCULATOR Calculate real-time wheel horsepower (HP/kW) and torque (Nm/lb-ft) using 4 dedicated automotive algorithms: Diesel Torque & Fuel Flow, Mass Airflow (MAF), Live Engine Torque, and Volumetric Load. ► BATTERY & STARTER CRANKING ANALYSIS Test resting battery health, minimum cranking voltage during ignition startup, and alternator regulator output (13.5V - 14.5V) in under 10 seconds. ► ONE-CLICK VEHICLE CODING (CUSTOMIZATION) Unlock hidden factory features on supported models: • Gauge needle sweep / staging on ignition • Automatic side-mirror folding upon locking • Acoustic alarm chirp confirmation & DRL adjustments ► 100% AD-FREE & TRANSPARENT (NO TOKENS / NO CREDITS) Never get interrupted by video ads or pay-per-feature credit scams. Cortex OBD2 is 100% AD-FREE. Everything in PRO is all-inclusive and unlimited. ► UNIVERSAL ADAPTER COMPATIBILITY Works with standard BLE 4.0+ and ELM327 Bluetooth OBD2 adapters: • vLinker MC+ / FS / BM+ • Vgate iCar Pro BLE • Veepeak OBDCheck BLE / BLE+ • OBDLink CX / MX+ • Standard ELM327 Bluetooth scanners Take complete command of your vehicle's health today!

Screenshots

MotorBit OBD 24 screens
Cortex OBD2 Diagnostic Scanner4 screens

Verdict

The call

The clearest difference is update cadence: Cortex OBD2 Diagnostic Scanner at every 2 weeks against MotorBit OBD 2's every 3 months. Cortex OBD2 Diagnostic Scanner also leads on iOS requirement (16.0 vs 18.4). On price, ads, in-app purchases and device support 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. MotorBit OBD 2 sells 1 one-off in-app purchase and Cortex OBD2 Diagnostic Scanner sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

MotorBit OBD 2 ships an update every 3 months, Cortex OBD2 Diagnostic Scanner every 2 weeks. The most recent releases landed on September 29, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 4 level
MotorBit OBD 2 versus Cortex OBD2 Diagnostic Scanner: the parameters behind the verdict, then further details
ParameterMotorBit OBD 2Cortex OBD2 Diagnostic Scanner
PriceFreeFree
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad — better
Requires iOS18.416.0 — better
Further details — not scored
Size17 MB36 MB
Age rating4+4+
DeveloperOguzcan OrucIsmail Imamoglu

In-app purchases

1 purchases

MotorBit OBD 2

One-time1
  • MotorBit Pro$5.99
3 purchases

Cortex OBD2 Diagnostic Scanner

Subscriptions3
  • MotoCortex PRO Weekly$2.997 Days
  • MotoCortex PRO - Monthly$5.991 Month
  • MotoCortex PRO - Annual$19.991 Year

Questions

Is MotorBit OBD 2 free?
MotorBit OBD 2 is free to download, with in-app purchases available.
Is Cortex OBD2 Diagnostic Scanner free?
Cortex OBD2 Diagnostic Scanner is free to download, with in-app purchases available.
Do MotorBit OBD 2 or Cortex OBD2 Diagnostic Scanner have ads?
Neither MotorBit OBD 2 nor Cortex OBD2 Diagnostic Scanner shows ads.
Which is updated more often, MotorBit OBD 2 or Cortex OBD2 Diagnostic Scanner?
MotorBit OBD 2 ships an update every 3 months, and Cortex OBD2 Diagnostic Scanner every 2 weeks. Most recently, MotorBit OBD 2 was updated on September 29, 2026 and Cortex OBD2 Diagnostic Scanner on October 3, 2026.

Other comparisons