Head vs Simple Speed
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Head
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.
- Windshield projection
- Nine design options
- Adjustable speed units (MPH/KPH)
- Automatic screen brightness
- Screen lock disable
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Head-Up Display turns your iPhone into a bright, glanceable speedometer for your car β with a real windshield HUD mode, a built-in navigator, and trip tracking. No ads. No accounts. Nothing tracked. GPS SPEEDOMETER β’ Large, high-contrast digital speed you can read in a split second β’ Switch instantly between km/h and mph β’ Accurate GPS speed β works anywhere, no car connection needed β’ Choose from multiple display styles and colors to match your dashboard TRUE HUD (WINDSHIELD) MODE β’ Mirror the display so it reflects the right way up on your windshield β’ Screen jumps to full brightness for a crisp daytime projection β’ Drive heads-up, eyes on the road NAVIGATOR β’ Search any destination and get a route with live ETA and distance β’ Clean, muted map that follows you heading-up as you drive β’ Light or dark map theme, pick your route color TRIP COMPUTER β’ Live trip distance, top speed and average speed β’ Reset anytime with a tap SPEED ALERT β’ Set your own limit β the speed turns red and your phone vibrates when you go over β’ Optional alert sound
Simple Speed
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A speedometer with big digits that fill the screen. No ads. No account. Pay once. For cars with a broken speedometer, motorcycles, e-bikes, golf carts, or checking your dash after new tires. Your speed on the Lock Screen and in the Dynamic Island, so it stays in view with Maps open. Turn it on in Settings. Four dashboard colors tuned for night and day. An optional speed arc with a real scale. Dark after sunset, automatic or your choice. MPH or km/h. A HUD mirror for reading it in the windshield at night. Set it on the dash and drive.
Screenshots
Verdict
The clearest difference is price: Head at Free against Simple Speed's $1.99. Simple Speed's advantage is update cadence (every 3 weeks vs every 127 months) and chart position (#62 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Head is free to download; Simple Speed costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Head ships an update every 127 months, Simple Speed every 3 weeks. The most recent releases landed on November 2, 2026 and November 14, 2026 respectively.
| Parameter | Head | Simple Speed |
|---|---|---|
| Price | Free β better | $1.99 |
| Positive reviews | 20.0% of reviews | β |
| Update frequency | Every 127 months | Every 3 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | β |
| Best chart rank | β | #62 β better |
| Devices | iPhone, iPad β better | iPhone |
| Requires iOS | 17.0 | 16.0 β better |
| Further details β not scored | ||
| Size | 4 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Bahtiyar Polat | Kempbell Industries, Inc. |
In-app purchases
Head
No in-app purchases
Simple Speed
No in-app purchases







