# Headup Display — Speed in your Window

> Projects GPS speed onto car windshield via iPhone screen. (iPhone/iPad app by Kai Bruchmann.)

- Source: https://appshunter.io/ios/app/headup-display/id328652047 (this page in markdown: same URL + `.md`)
- Developer: [Kai Bruchmann](https://appshunter.io/developer/312164816)
- Category: Navigation, Travel
- Price: $1.99
- Rating: 1.00/5 from 2 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 1 MB
- Languages: American English, German (Germany)
- Released: 2009-09-02
- Data updated: 2026-06-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/headup-display/id328652047/reviews.md

## What is Headup Display?

Headup-Display is a program, to screen the actual GPS-speed on the windscreen of your car. Therefore the display is mirrored on the iPhone and will be correct on the windscreen. This kind of projection is normally built in in expensive cars, but also for retrofitting there are hardware-solutions, which are expensive. With this solution you have the speed, especially at night, always in the field of view. At that the display at the windscreen is bright, clear and recognizable.

Technical Data:
- Show: Digital (Max 999), mirrored
- Show: GPS available, Compass, Unit
- Unit: kph, mph or kn (Knots)
- Compass: Based on GPS or compasssensor
- Device does not turn off while program is running
- Map is mirrored

Settings:
- Unit (kph, mph, kts)
- Compass (GPS, Sensor)

Use:
- start program
- eventually change settings
- Lay it on the Dashboard before the speedometer
- The Display should be the wrong way round, titlebar below, compass at the right

System Requirements:
- iPhone
- OS 8.0 or higher
- AC Adaptor or Car-Adaptor or Powerpack (Accu)

## Key features

- Mirrored digital speed display
- GPS and compass integration
- Adjustable units (kph, mph, knots)
- Compass sensor or GPS based
- Prevents device sleep
- Configurable units and compass source

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/headup-display/id328652047/reviews.md

### 1/5 — No Miles per Hour for USA, UK.

*2015-06-02*

Could not convert to MPH. Could not get any of the buttons for the menu, help, etc. to function.  I'm certain it will allow me to convert KPH to MPH, if those buttons functioned.

I used two of the other apps and they actually work amazing ...every car should have a Heads Up Display!

### 5/5 — Great app

*2009-10-05*

We just came from Orlando fl to jax fl and used it the whole way. Turn up your brightness works great.

## Frequently asked questions about Headup Display

### What is Headup Display?

Headup Display is an iPhone application that projects your current GPS speed onto your car's windscreen. It mirrors the display from your iPhone, offering a clear and bright view of your speed, similar to built-in systems in luxury vehicles.

### How does Headup Display work?

You start the app and place your iPhone on the dashboard in front of the speedometer. The app then displays your GPS speed, which is mirrored and projected onto the windscreen for easy viewing.

### What units can Headup Display show?

Headup Display supports multiple units for speed display, including kilometers per hour (kph), miles per hour (mph), and knots (kn). You can easily switch between these units in the app's settings.

### Does Headup Display use the iPhone's compass?

Yes, Headup Display can use either the GPS signal or the iPhone's built-in compass sensor to determine direction. You can select your preferred source in the application's settings.

### Is Headup Display compatible with older iPhones?

Headup Display requires iOS 8.0 or higher and is supported on iPhone and iPod Touch devices. Ensure your device meets these system requirements for optimal performance.

### How often is Headup Display updated?

The latest version, 2.3, was last updated on May 27, 2025. The app was originally released on September 2, 2009, indicating a long history of development and support.

### What is the price of Headup Display?

Headup Display is a paid application, available for $1.99. There are no in-app purchases or subscriptions associated with this application.

### Does Headup Display have ads?

No, Headup Display does not contain advertisements. It is a paid application that offers an ad-free experience for users.

## Version history (last 5 releases)

### 2.3 — 2025-05-27

Update for iPhone 5, 6, 7, 8, X, 11, 12, 13, 14, 15, and 16
Adapted to the latest iOS.

### 2.2 — 2022-04-23

Update for iPhone 4,5,6,7,8,X,XR,11,12,13, iOS 8,9,10,11,12,13,14,15

### 2.1 — 2019-03-14

- for iPhone 4, 5, 6, 7, 8, X, XS, XR and iOS 8, 9, 10, 11, 12
- New: Map is mirrored

### 2.0 — 2017-05-02

- adapted for iPhone 4, 5, 6, 7, 8, iOS 8, 9, 10 or newer.

### 1.3 — 2011-09-28

- Fullscreen

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- [Relax Sound](https://appshunter.io/ios/app/relax-sound/id315610037)
- [Podcast Radio (Streaming)](https://appshunter.io/ios/app/podcast-radio-streaming/id315613937)
- [Webcams worldwide](https://appshunter.io/ios/app/webcams-worldwide/id315654100)

All apps by Kai Bruchmann: https://appshunter.io/developer/312164816

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*