# Sector Lapper Stopwatch vs TrackZero

The clearest difference is in-app purchases: Sector Lapper Stopwatch at none against TrackZero's 1. Sector Lapper Stopwatch also leads on iOS requirement (15.0 vs 17.0). TrackZero's advantage is ads (none vs shown) and update cadence (daily vs weekly). On price and device support there is nothing between them.

Both are free to download. TrackZero sells 1 one-off in-app purchase. Sector Lapper Stopwatch asks for nothing beyond the download.

Sector Lapper Stopwatch ships an update weekly, TrackZero daily. The most recent releases landed on September 10, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Sector Lapper Stopwatch | TrackZero |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Daily** |
| Monetization | Ad-supported | — |
| Size | 9 MB | 26 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [CRISTIAN PETICOV](https://appshunter.io/developer/1841403840) | [JOSE FERNANDO LARRAGUIVEL CAMPUZANO](https://appshunter.io/developer/6787228718) |

## What reviewers say

### Sector Lapper Stopwatch

[App page](https://appshunter.io/ios/app/sector-lapper-stopwatch/id6752864634)

This stopwatch app is designed for motorsports, offering sectored lap timing with configurations for 1, 2, or 3 sectors. It highlights best sectors, best laps, and the ideal lap in real-time and upon pausing. It's a valuable tool for anyone involved in racing.

**Highlights:** Sectored lap timing (1, 2, or 3 sectors), Real-time best sector and lap display, Ideal lap calculation, Intuitive and easy to use, Motorsports focused design

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### TrackZero

[App page](https://appshunter.io/ios/app/trackzero/id6787228541)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pase del día | $6.99 | one-time |


## Frequently asked questions

### Is Sector Lapper Stopwatch free?

Sector Lapper Stopwatch is free to download, with no in-app purchases.

### Is TrackZero free?

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

### Do Sector Lapper Stopwatch or TrackZero have ads?

Sector Lapper Stopwatch shows ads; TrackZero does not.

### Which is updated more often, Sector Lapper Stopwatch or TrackZero?

Sector Lapper Stopwatch ships an update weekly, and TrackZero daily. Most recently, Sector Lapper Stopwatch was updated on September 10, 2026 and TrackZero on September 24, 2026.

---

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