# Swimming Lap Tracker vs TetherSwim

The clearest difference is price: TetherSwim at Free against Swimming Lap Tracker's $1.99. TetherSwim also leads on rating (5.0 vs 4.0). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

TetherSwim is free to download; Swimming Lap Tracker costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TetherSwim holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 30, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Swimming Lap Tracker | TetherSwim |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/swimming-lap-tracker/id6742799747/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tetherswim/id6751048224/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Paid | **Free** |
| Size | 11 MB | 15 MB |
| Requires iOS | **18.2** | 18.5 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Riches](https://appshunter.io/developer/1464887687) | [Patrick Biggin](https://appshunter.io/developer/1458225469) |

## What reviewers say

### Swimming Lap Tracker

[App page](https://appshunter.io/ios/app/swimming-lap-tracker/id6742799747)

This app transforms your Apple Watch into an accurate lap counter for swimming. Easily track laps, view live metrics, and analyze detailed swim statistics on your iPhone. Supports both pool and open water swimming with GPS tracking.

**Highlights:** Fast lap marking with Digital Crown/Action Button, Manual lap timing and rest, Live swim metrics, Customizable pool lengths, Open water mode with GPS, Post-swim analysis on iPhone, HealthKit sync

**Features:** Apple Watch app

**In-app purchases:** none


### TetherSwim

[App page](https://appshunter.io/ios/app/tetherswim/id6751048224)

This app accurately tracks swimming workouts performed with resistance cords or endless pools, overcoming the limitations of traditional trackers. It estimates distance based on stroke count and efficiency, providing comprehensive workout data.

**Highlights:** Accurate distance estimates, Automatic SWOLF tracking, Full workout data (calories, heart rate), Exclude test swims, Strava integration, Automatic Water Lock mode

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Swimming Lap Tracker free?

Swimming Lap Tracker costs $1.99, with no in-app purchases.

### Is TetherSwim free?

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

### Which has better reviews, Swimming Lap Tracker or TetherSwim?

TetherSwim is rated higher. Swimming Lap Tracker averages 4.0 out of 5 from 1 ratings, while TetherSwim averages 5.0 from 1 ratings.

### Do Swimming Lap Tracker or TetherSwim have ads?

Neither Swimming Lap Tracker nor TetherSwim shows ads.

### Which is updated more often, Swimming Lap Tracker or TetherSwim?

Swimming Lap Tracker ships an update every 2 weeks, and TetherSwim every 2 weeks. Most recently, Swimming Lap Tracker was updated on September 30, 2026 and TetherSwim on September 8, 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.*