# zRef vs HeadStart

The clearest difference is in-app purchases: zRef at none against HeadStart's 1. zRef also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.1). On price and device support there is nothing between them.

Both are free to download. HeadStart sells 1 one-off in-app purchase. zRef asks for nothing beyond the download.

## The numbers

| Metric | zRef | HeadStart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/zref/id1619561284/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 1 MB | 87 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rami Sinno](https://appshunter.io/developer/1535507955) | [Ad Astra Performance](https://appshunter.io/developer/1845128351) |

## What reviewers say

### zRef

[App page](https://appshunter.io/ios/app/zref/id1619561284)

This app helps referees manage sports matches by tracking time, logging goals, cautions, and ejections. It provides a timer and stopwatch for game management and generates end-of-game reports with scores and event details.

**Highlights:** Match time tracking, Goal logging, Caution and ejection tracking, Timer and stopwatch, End-of-game reports, Simple match creation

**In-app purchases:** none


### HeadStart

[App page](https://appshunter.io/ios/app/headstart-ad-astra-performance/id6753811782)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mental Edge Accelerator | $200.00 | one-time |


## Frequently asked questions

### Is zRef free?

zRef is free to download, with no in-app purchases.

### Is HeadStart free?

HeadStart is free to download, with in-app purchases available.

### Do zRef or HeadStart have ads?

HeadStart shows ads; zRef does not.

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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.*