Car Window HUD is a travel and navigation app designed for iPhone users. This app allows you to conveniently view your speed and direction on the windshield of your car. By placing your iPhone on the dashboard, below the windshield, with the bottom of the device facing away from you, the app will project your current speed (in mph) and direction onto the windshield.

The app offers a simple and intuitive interface, allowing you to easily toggle between a mirrored and un-mirrored display by tapping the screen. This feature ensures that the projected information is legible and easy to read, regardless of your car's windshield design or visibility conditions.

Additionally, Car Window HUD provides the option to switch between miles-per-hour and kilometers-per-hour by tapping the MPH/KPH button. This flexibility allows users from different regions to view their speed in their preferred unit of measurement.

Overall, Car Window HUD is a practical and useful app for iPhone users who want to conveniently monitor their speed and direction while driving. With its easy-to-use interface and customizable display options, this app provides a safe and efficient way to stay informed on the road.