Product Selector vs Gauge King

Penrite Oil/Filter recommendation Guide with built-in store locator.

Gauge King turns your iPhone into a clean, customisable digital gauge dashboard for your car. Connect a compatible Bluetooth OBDII reader and view live vehicle telemetry in a modern dashboard designed for drivers, enthusiasts, and anyone who wants a clearer view of what their car is doing. Build your own gauge layout, choose the data that matters to you, and monitor key information in real time. Gauge King can display supported vehicle data such as: RPM Speed Coolant temperature Intake air temperature Throttle position Engine load Battery voltage Fuel-related data as well as shift light layouts, calculated horsepower/Kw data and much more. Gauge King also includes Demo Mode, allowing you to experience the dashboard using simulated telemetry even when you are not connected to an OBDII reader. This is useful for trying layouts, testing gauges, previewing the app, or seeing how the dashboard feels before connecting to a vehicle. Features include: Customisable digital gauge dashboards Audible warnings based on configurable thresholds Apple CarPlay support Compatible Bluetooth OBDII reader support Live vehicle telemetry where supported by the vehicle and adapter Demo Mode with simulated data Performance-inspired gauge layouts Clear connection status Designed for car enthusiasts and everyday drivers Gauge King is built to make vehicle data easier to see, understand, and enjoy. Important notes: Gauge King requires a compatible Bluetooth OBDII reader for live vehicle telemetry. Available telemetry depends on your vehicle, OBDII adapter, and supported sensors. Demo Mode uses simulated data and does not show real vehicle information. Gauge King is intended for information and display purposes only. Always drive safely and follow local road rules.