# Lap Swim vs Komit21

The clearest difference is update cadence: Komit21 at every 9 days against Lap Swim's every 3 months. Lap Swim's advantage is device support (4 vs 1) and iOS requirement (13.0 vs 16.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Lap Swim sells 1 one-off in-app purchase and Komit21 sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Lap Swim ships an update every 3 months, Komit21 every 9 days. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Lap Swim | Komit21 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (31 ratings)](https://appshunter.io/ios/app/lap-swim/id1189805111/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 62.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 27 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Peter Kramer](https://appshunter.io/developer/348619994) | [Valentin Vivier](https://appshunter.io/developer/1891819729) |

## What reviewers say

### Lap Swim

[App page](https://appshunter.io/ios/app/lap-swim/id1189805111)

This app automatically counts laps and tracks swim times on your Apple Watch. It detects stroke type and count, and graphs your performance on a paired iPhone. Enjoy a large font display for easy viewing during your workout.

**Highlights:** Automatic lap counting, Stroke detection (freestyle, backstroke, breaststroke), Kickboard lap detection, Large font display, Stopwatch function, Workout graphing on iPhone, Health and Activity app integration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| upgrade from 250 laps to unlimited laps | $1.99 | one-time |


### Komit21

[App page](https://appshunter.io/ios/app/komit21/id6761862499)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Komitter | $3.99 | per month |
| Annual Komitter | $29.99 | per year |


## Frequently asked questions

### Is Lap Swim free?

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

### Is Komit21 free?

Komit21 is free to download, with in-app purchases available.

### Do Lap Swim or Komit21 have ads?

Neither Lap Swim nor Komit21 shows ads.

### Which is updated more often, Lap Swim or Komit21?

Lap Swim ships an update every 3 months, and Komit21 every 9 days. Most recently, Lap Swim was updated on October 24, 2026 and Komit21 on October 10, 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.*