Lina OBD:Smart Car Diagnostics

Real-time OBD2 diagnostics on your phone. Read fault codes, monitor engine data, and track driving analytics. 100% private—data stays on your device.

LINA OBD: Your Complete Vehicle Diagnostic and Driving Analytics Platform

Connect your Bluetooth or WiFi OBD2 adapter to instantly access real-time vehicle data, professional diagnostics, comprehensive trip recording, and intelligent health analytics—all on your smartphone, with zero cloud storage or mandatory accounts.

REAL-TIME VEHICLE DASHBOARD Monitor your vehicle's vital signs with beautiful, customizable gauges and multiple dashboard styles: Classic Analog, Modern Digital, Racing Dark Mode, and Minimal HUD. Track Engine RPM, Vehicle Speed, Coolant Temperature, Battery Voltage, Engine Load, Throttle Position, MAP, MAF, and Fuel System Status in real-time.

PROFESSIONAL OBD2 DIAGNOSTICS When your Check Engine Light appears, Lina OBD explains what it means in plain language:

• Read and Clear Diagnostic Trouble Codes (DTC): Pending and confirmed codes
• Detailed Explanations: Symptoms, causes, severity (1-5), and drivability guidance
• Symptom-Based Search: Find related codes by symptoms
• Emission Monitor Status: Check inspection readiness
• Code Redetection Alerts: Get notified if issues recur Over 80 fault codes include detailed Korean explanations; additional codes auto-generate descriptions.

AUTOMATIC TRIP RECORDING & ANALYTICS Every drive automatically records to your device with instant statistics:

• Distance, duration, speed, estimated fuel consumption, and Eco Score
• Custom tags and trip names with Korean language search
• Offline access to all your data
• Privacy-first: Data never leaves your phone

INTELLIGENT VEHICLE HEALTH REPORTS Analyze your driving history to optimize performance:

• Vehicle health trends: Warm-up time and battery voltage tracking
• Fuel economy and cost analysis with optimal speed suggestions
• Idle waste calculator and cold-start monitoring
• RPM vs. Engine Load heatmaps and driving pattern analysis
• Cruise control consistency and city/highway/motorway ratios All analysis runs on-device using your local data only.

DATA EXPORT & PROFESSIONAL TOOLS Export trip data as CSV for spreadsheets or Excel with summary statistics. Compatible with fleet management systems.

BEAUTIFUL, INTUITIVE INTERFACE Dark and Light Mode support, smooth animations, glassmorphic design, Demo Mode (no vehicle needed), and responsive layouts for all orientations.

COMPLETE PRIVACY & SECURITY All data stored locally on your device only. No mandatory cloud, no accounts, no ads, no tracking, no telemetry. Use offline and maintain full control of your data.

SUPPORTED VEHICLES & ADAPTERS Standard OBD-II (1996+), Bluetooth Low Energy (BLE), WiFi, ELM327-based and professional adapters. Automatically detects and adapts to your vehicle's capabilities.

BACKGROUND RECORDING Maintains data collection in background with battery and thermal management that auto-adjusts during low battery or high temperature.

PERFECT FOR Everyday drivers seeking peace of mind, DIY enthusiasts tracking performance, eco-conscious drivers optimizing habits, fleet operators managing vehicle health, technicians performing diagnostics, and road trippers logging trips and fuel costs.

WHY CHOOSE LINA OBD? Unlike basic OBD2 apps, Lina OBD combines professional diagnostics, intelligent health reporting, comprehensive trip analytics, and behavioral insights in one easy-to-use application.

GETTING STARTED

1. Get a Bluetooth(or WiFi) OBD2 adapter
2. Install Lina OBD
3. Grant Bluetooth permissions
4. Connect your adapter
5. Start monitoring

First-time users can explore all features with Demo Mode—no adapter needed.

Download Lina OBD and transform how you monitor, diagnose, and care for your vehicle.