Pair any compatible ELM327 adapter and start reading PIDs in seconds.
Live OBD-II dashboard
GaugeKing
A fast, high-contrast digital dashboard for enthusiasts who want more than basic gauges. Read live OBD-II telemetry, design your own layout, and monitor the exact data you care about.
Connect any compatible Bluetooth OBD-II adapter, choose your gauges, pick your theme, and drive with the information that actually matters to you.
Live OBD-II telemetry
Customisable layouts
Synthetic power & torque
Shift lights
Demo mode
Live telemetry
Custom gauge session
Pick up to 6 gauges, reorder them, change colours, and save your layout.
RPM, speed, coolant, IAT, power, torque, fuel, shift lights and more.
Audio alerts
Gauge King has your back. With audible alerts you will instantly know if your oil pressure drops or tempratures exceed limits you define.
See how GaugeKing uses clear audio alerts to bring important driving information to your attention.
App demo
See GaugeKing in action
A walkthrough of the live dashboard, layout editor, and synthetic gauge modes.
Core features
What makes GaugeKing different
GaugeKing focuses on clarity, trust, and driving context. Each reading is shown with practical visual hierarchy so you can glance and decide quickly.
Live OBD-II Telemetry
Connect any compatible Bluetooth ELM327 adapter and read RPM, speed, coolant, IAT, throttle, MAF, timing, and more in real time.
Custom Dashboard Layouts
Select your gauges, reorder them with up/down controls, and tune the dashboard style. Keep it minimal for track or rich for full monitoring.
Synthetic Power & Torque
Estimated power (kW/hp) and torque (Nm) gauges derived from OBD data when direct ECU readings are not available, with transparent source labels.
Motorsport Shift Lights
F1/GT3 LED strip and Tach Colour shift indicators with configurable RPM thresholds, warning zones, per-gear shift points, and flash states.
Vehicle Profiles
Select Generic OBD-II, Mustang S550, or Mustang S650. Each profile adapts telemetry gating, displacement, and torque/power estimation to your car.
Demo / Test Mode
Built-in synthetic scenarios let you preview behavior, validate widget logic, and demonstrate the app without requiring a live adapter or vehicle.
Audible Warnings
Hear clear alerts when oil pressure or other monitored temperatures cross your configurable thresholds, so important changes never go unnoticed.
Siri Commands
Use Siri commands to interact with GaugeKing more naturally while keeping your attention on the road.
Apple CarPlay Enabled
Bring GaugeKing into your compatible vehicle with an Apple CarPlay experience designed for clear, glanceable driving information.
Ready to drive smarter?
Get GaugeKing on the App Store
Download GaugeKing, connect your OBD-II adapter, and turn your iPhone into a real-time performance dashboard.