Your AI Mechanic
Connect to your car via Bluetooth, read diagnostics, and get answers in plain English. Never get overcharged at the shop again.
Features
Everything you need to understand your car
OBD2 Diagnostics
Read trouble codes, live sensor data, and extended vehicle info via Bluetooth.
AI Analysis
Lewis explains what your scan results mean for your specific vehicle.
Ask Anything
Chat about warning lights, maintenance, noises, or any car question.
Pro Readings
Access advanced UDS data — the same diagnostics mechanics use.
Multi-Vehicle
Add all your cars. Lewis remembers the history for each one.
Shop Confident
Know what's wrong before you go, so you can talk to mechanics as equals.
How It Works
Up and running in minutes
Plug In
Connect any OBD2 adapter to your car's OBD port
Pair
Open Lewis and connect via Bluetooth
Scan
Run a diagnostic scan in seconds
Understand
Get clear answers and ask follow-ups
Ready to understand your car?
Download Lewis and take control of your vehicle's health.
Download for iOS