# stopwatch4 vs Sector Lapper Stopwatch

The clearest difference is ads: stopwatch4 at none against Sector Lapper Stopwatch's shown. Sector Lapper Stopwatch's advantage is update cadence (weekly vs every 36 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

stopwatch4 ships an update every 36 months, Sector Lapper Stopwatch weekly. The most recent releases landed on October 26, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | stopwatch4 | Sector Lapper Stopwatch |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 36 months | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 3 MB | 9 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ran kellner](https://appshunter.io/developer/1372973121) | [CRISTIAN PETICOV](https://appshunter.io/developer/1841403840) |

## What reviewers say

### stopwatch4

[App page](https://appshunter.io/ios/app/stopwatch4/id1407412630)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is stopwatch4 free?

stopwatch4 is free to download, with no in-app purchases.

### Is Sector Lapper Stopwatch free?

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

### Do stopwatch4 or Sector Lapper Stopwatch have ads?

Sector Lapper Stopwatch shows ads; stopwatch4 does not.

### Which is updated more often, stopwatch4 or Sector Lapper Stopwatch?

stopwatch4 ships an update every 36 months, and Sector Lapper Stopwatch weekly. Most recently, stopwatch4 was updated on October 26, 2026 and Sector Lapper Stopwatch on October 15, 2026.

---

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