Check Engine Chat

Ask any car question. Record your engine. Get instant, accurate answers from an AI that runs entirely on your iPhone. No signal. No subscriptions. No data collected.

Your AI mechanic, running entirely on your phone.

Ask any car question and get instant, accurate answers grounded in a curated automotive database covering 400+ vehicle models from 1976 to 2025. Oil specs, torque values, tire pressure, transmission fluid, spark plug gaps, DIY repair guides with tool lists and difficulty ratings, and symptom-based diagnostic troubleshooting.

AUDIO DIAGNOSTICS (Pro) Record your engine sound. The AI analyzes the audio and identifies the problem such as knock, turbo failure, belt squeal, timing chain wear, transmission whine, VTEC rattle, and more. All processed on-device in seconds.

PRIVACY FIRST Everything runs on your iPhone. No cloud servers. No accounts. No analytics. No tracking. Works in airplane mode. Your car problems are yours.

FEATURES

• Vehicle spec lookup (oil, torque, tire pressure, fluids)
• DIY repair guides with tool lists and difficulty ratings
• Symptom based diagnostic reasoning
• Audio engine sound diagnosis
• Aftermarket and mod guidance
• Conversation history + Generate Report
• Works fully offline after setup

Requires iPhone 15. Built by car enthusiasts.