AutoPulse: OBD2 Scanner

Know what your car is doing - and why.

AutoPulse pairs with a cheap Bluetooth ELM327 adapter and turns your iPhone into a live dashboard, a fault-code reader that speaks plain English, and a drive analyzer.

Stop guessing at the check engine light
• Read stored, pending and permanent trouble codes
• Every code comes with a real description — "Cylinder 1 Misfire", not just "P0301"
• 9,000+ codes explained, fully offline, English and French
• See the freeze-frame data from when the fault triggered
• Clear codes once you've fixed it

Live engine data
• RPM, coolant temperature, intake air, throttle, fuel trims, O2 sensors and more, updating in real time
• Record a session and replay it later

Every drive, measured
• GPS route map, speed-colored
• 0–100 km/h / 0–60 mph acceleration times with a confidence rating
• Peak braking, acceleration and cornering g-force
• Distance, average and top speed, engine highlights, fuel-use estimate
• Personal records that only count clean runs
• Your favorite roads and corners detected automatically — beat your own best time

Private by design
• No account, no sign-up
• Your vehicle data never leaves your phone
• Optional anonymous usage stats, one tap to turn off

Needs an ELM327-compatible OBD-II Bluetooth adapter (widely available, sold separately). Compatibility depends on your vehicle.