Transform your phone into a transparent heads-up display for your car. View maps and speed directly on your windshield, keeping your eyes on the road.



211+ iOS apps curated and reviewed
The best car hud display pro apps on iPhone average 3.9β across 211+ titles β we've ranked them by what real users actually keep on their phones. Updated May 2026.



Transform your phone into a transparent heads-up display for your car. View maps and speed directly on your windshield, keeping your eyes on the road.






This GPS-powered application displays your current speed in a clear digital format, suitable for vehicles, cycling, or walking. It offers offline functionality and provides additional features like trip distance measurement, altitude tracking, and real-time speed limit warnings.






This app projects navigation and driving information onto your car's windshield. Enhance your night driving experience with speed, clock, weather, and music details displayed directly in your line of sight.


This free GPS-based app functions as a digital speedometer and head-up display. It shows current speed, average speed, maximum speed, and road information. It also provides slope data and weather conditions, with optional HUD mirroring for windshield reflection.


This navigation app transforms your smartphone into a heads-up display, projecting directions onto your windshield. Drive safer by keeping your eyes on the road, especially in challenging conditions like fog or darkness. It offers customizable alerts and trip statistics.


Design and apply intricate heads-up displays to your photos, mimicking the style of Iron Man's helmet. Enhance images with multiple HUD elements, overlays, and adjustable opacity for a unique visual effect.


This app functions as a sophisticated speedometer, alerting you to speed limit violations with visual and auditory cues. It also provides location sharing, altitude readings, and a GPS black box for trip data. Calculate mileage, costs, and fuel consumption for your journeys.


This app provides a suite of driving widgets, including speedometers, trip information, and weather, that can be used in standard or head-up display (HUD) mode. It offers features like driving score calculation, fuel consumption tracking, and a land meter for car slope angles.


Project your iPhone's speedometer onto your car's windshield for a heads-up display. Choose from nine designs and customize speed units. The app automatically adjusts brightness and disables screen lock while in use.


Transform your smartphone into a professional car diagnostic tool. Read and clear engine fault codes, monitor real-time sensor data, and perform advanced diagnostics without a mechanic. Supports a wide range of OBD2 compliant vehicles.


This app transforms your device into a digital vehicle dashboard, displaying speed, time, weather, and navigation information. It features a HUD mode for windshield reflection and provides warnings for speed and red-light cameras with an editable database.


Extend your Windows PC's desktop to another device wirelessly or via USB. Use your tablet or phone as a drawing tablet or a portable second monitor for travel and productivity.


Transform your iPhone into a car head-up display, projecting navigation information onto your windshield. It functions well at night and on cloudy days, offering a convenient way to view directions while driving.


This app provides precise speed readings, including current, maximum, and average speeds, along with acceleration and braking times. It features a customizable HUD interface and can record speed data overlaid on videos, serving as a dashcam.


Transform your smartphone into a powerful car diagnostic tool. Monitor real-time engine data, read and clear trouble codes, and track your vehicle's performance. Customize your dashboard and access repair manuals to understand and fix issues.


Monitor your car's performance, diagnose engine issues, and view sensor data in real-time. Customize your dashboard with gauges and charts, and reset fault codes. Supports a wide range of vehicles and offers advanced features for specific car brands.


Transform your car into a smart, connected hub. This app offers AI assistance, remote car control, real-time health insights, and seamless integration with navigation and entertainment.


This app translates your car's diagnostic trouble codes into plain language, helping you understand potential issues and their severity. It provides maintenance reminders and offers advanced features like issue forecasting and emissions pre-checks with a premium subscription.


Transform your phone into a customizable car dashboard with advanced widget building tools. Create unique layouts for different driving scenarios and personalize your display with various styles and effects. Includes smart driver tools and passenger entertainment.


This app helps you save money on car expenses by offering cash rewards for driving, diagnosing and clearing engine error codes, and providing DIY repair guides. It also assists in reducing car insurance costs and tracking mileage.