01
Pick your problem
Choose a warning light, enter an error code, or describe what your car is doing in plain English.
Offline car diagnostics — no internet needed
Your mechanic in your pocket.
Identify warning lights, decode OBD-II codes, and get guided car diagnostics — instantly, privately, and even when you have no signal.
No account required · 52+ warning lights · OBD-II lookup · $4.99 lifetime Pro
Warning light ID
OBD-II code lookup
Plain-English AI chat
Works offline
How it works
Three calm steps, from dashboard light to clarity.
Built for the moment something feels wrong and you need a grounded next step — not panic, not forum noise, and not a vague AI answer.
02
Answer a few questions
Tap through a guided diagnostic flow so the app can narrow down likely causes and urgency.
03
Get the next step
See likely causes, what to check, typical repair context, and whether it's safe to keep driving.
Warning light identification
Know what the symbol means — instantly.
Car Aide AI identifies 52+ dashboard warning lights, explains what they usually mean, and helps you understand whether the issue is urgent or something you can schedule.
DTC lookup
Offline library · causes, fixes, and cost context on-device
OBD-II / DTC code decoder
Turn cryptic codes into plain answers.
Every OBD-II error code comes with a clear definition, common causes, practical fixes, and realistic context so you're not piecing it together from scattered forum posts.
AI chat assistant
Describe the symptom. Get a guided diagnosis.
Talk to it like a mechanic. Voice or text. Describe the problem in your own words, answer follow-up questions, and get grounded help right on your phone.
Private by design
Your car's story stays on your phone.
No account. No cloud-based profile. Diagnosis history, app settings, and AI interactions stay local, so the app works even when you have no signal and you keep control of your data.
Processing
On-device
Network
Not required
Account
No account required
History
Stored locally
Access
Works fully offline
Pricing
Pay once. No subscription. Ever.
Free to start. Upgrade once for lifetime Pro access.
Free
Everything you need to diagnose on the go.
$0
Good for quick check-ins and everyday use.
- Warning light identification
- DTC code lookup
- AI chat assistant (15 messages/day)
- Diagnosis history
- Works fully offline
- Contains ads on results
- Watermarked shares
Pro · Lifetime
Everything in Free, without the limits.
$4.99
One-time lifetime purchase. No subscription.
- Everything in Free
- Unlimited AI chat messages
- Voice input & output
- No ads — ever
- Clean shares without watermark
iPhone and Android are both live now.
Get the app
Stop guessing. Start diagnosing.
Download Car Aide AI for free. Upgrade to Pro once for lifetime access.