# Zero To Sixty HUD vs Harf Workout Timer

The clearest difference is price: Harf Workout Timer at Free against Zero To Sixty HUD's $1.99. Harf Workout Timer also leads on update cadence (weekly vs every 13 months) and iOS requirement (18.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

Harf Workout Timer is free to download; Zero To Sixty HUD costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Zero To Sixty HUD ships an update every 13 months, Harf Workout Timer weekly. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Zero To Sixty HUD | Harf Workout Timer |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/zero-to-sixty-hud/id1476210609/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Weekly** |
| Monetization | Paid | — |
| Size | 1 MB | 1 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [David Mickey](https://appshunter.io/developer/1506246434) | [R&D Advance BV](https://appshunter.io/developer/1685545164) |

## What reviewers say

### Zero To Sixty HUD

[App page](https://appshunter.io/ios/app/zero-to-sixty-hud/id1476210609)

This app acts as a heads-up display to accurately time your vehicle's acceleration from 0 to 60 or 0 to 100 mph. It automatically resets when stationary and records your speed, announcing the time aloud once the target speed is reached. Requires GPS to be enabled on your iPhone for optimal performance.

**Highlights:** 0-60 and 0-100 mph timing, Automatic timer reset, Spoken speed announcements, GPS-based speed tracking, Acceleration archiving

**Features:** Vision Pro support

**In-app purchases:** none


### Harf Workout Timer

[App page](https://appshunter.io/ios/app/harf-workout-timer/id6670219860)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zero To Sixty HUD free?

Zero To Sixty HUD costs $1.99, with no in-app purchases.

### Is Harf Workout Timer free?

Harf Workout Timer is free to download, with no in-app purchases.

### Do Zero To Sixty HUD or Harf Workout Timer have ads?

Neither Zero To Sixty HUD nor Harf Workout Timer shows ads.

### Which is updated more often, Zero To Sixty HUD or Harf Workout Timer?

Zero To Sixty HUD ships an update every 13 months, and Harf Workout Timer weekly. Most recently, Zero To Sixty HUD was updated on October 4, 2026 and Harf Workout Timer on October 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*