# Gymsta vs TetherSwim

The clearest difference is in-app purchases: TetherSwim at none against Gymsta's 1. Gymsta's advantage is iOS requirement (16.6 vs 18.5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Gymsta sells 1 in-app purchase, starting at $2.99 per month. TetherSwim asks for nothing beyond the download.

Gymsta ships an update every 3 weeks, TetherSwim every 2 weeks. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Gymsta | TetherSwim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tetherswim/id6751048224/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 27 MB | 15 MB |
| Requires iOS | **16.6** | 18.5 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [MOLOW LTD](https://appshunter.io/developer/1744386733) | [Patrick Biggin](https://appshunter.io/developer/1458225469) |

## What reviewers say

### Gymsta

[App page](https://appshunter.io/ios/app/gymsta/id6502180986)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gymsta Premium | $2.99 | per month |


### 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 Gymsta free?

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

### Is TetherSwim free?

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

### Do Gymsta or TetherSwim have ads?

Neither Gymsta nor TetherSwim shows ads.

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

Gymsta ships an update every 3 weeks, and TetherSwim every 2 weeks. Most recently, Gymsta was updated on October 3, 2026 and TetherSwim 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.*