# TetherSwim vs LapView

The clearest difference is in-app purchases: TetherSwim at none against LapView's 1. TetherSwim also leads on update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

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

TetherSwim ships an update every 2 weeks, LapView monthly. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | TetherSwim | LapView |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tetherswim/id6751048224/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | — |
| Size | 15 MB | 6 MB |
| Requires iOS | 18.5 | **18.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Biggin](https://appshunter.io/developer/1458225469) | [Instant Professional Services Ltd](https://appshunter.io/developer/1708619686) |

## What reviewers say

### 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


### LapView

[App page](https://appshunter.io/ios/app/lapview/id6761623896)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Laps | $4.99 | one-time |


## Frequently asked questions

### Is TetherSwim free?

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

### Is LapView free?

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

### Do TetherSwim or LapView have ads?

Neither TetherSwim nor LapView shows ads.

### Which is updated more often, TetherSwim or LapView?

TetherSwim ships an update every 2 weeks, and LapView monthly. Most recently, TetherSwim was updated on October 10, 2026 and LapView on October 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.*