# Swim.com vs Zygo

The clearest difference is in-app purchases: Swim.com at none against Zygo's 2. Swim.com also leads on ratings volume (1.1K vs 135) and device support (3 vs 1). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Zygo sells 2 in-app purchases, starting at $4.99 per month. Swim.com asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for Swim.com against 4.2 for Zygo. That said, the two scores are not equally well evidenced: Swim.com has 1.1K ratings behind it against 135, so its average is the more settled of the two. Written reviews are what separate them: 41% of Swim.com's written reviews are positive against 43% of Zygo's.

Swim.com ships an update monthly, Zygo every 2 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Swim.com | Zygo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (1.1K ratings)](https://appshunter.io/ios/app/swimcom-swim-tracker/id956030704/reviews)** | [4.2 (135 ratings)](https://appshunter.io/ios/app/zygo/id1564866603/reviews) |
| Number of ratings | **1.1K** | 135 |
| Positive reviews | 41.4% of reviews | **42.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 175 MB | 101 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Spiraledge](https://appshunter.io/developer/920364364) | [Swimmersive Co](https://appshunter.io/developer/1381489863) |

## What reviewers say

### Swim.com

[App page](https://appshunter.io/ios/app/swimcom-swim-tracker/id956030704)

Automatically record and track your swimming workouts with advanced statistics. Compete with friends and other swimmers on global leaderboards, and access thousands of customizable swim workouts.

**Highlights:** Automatic swim recording with Apple Watch, Advanced swim statistics, Stroke type and count detection, Drill Mode for kick tracking, Global leaderboards and friend competition, Thousands of customizable swim workouts

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 👍 Accurate swim tracking
- 🚀 Detailed analytics and metrics
- 💡 Ability to log custom workouts
- 👍 Reliable and consistent performance
- 👍 Great Apple Watch integration

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🐛 Inaccurate lap/distance tracking
- 🐛 Unreliable sync between app and Apple Watch
- 🐛 Confusing or unintuitive user interface
- 🐛 Calories tracking issues

**Reported bugs**

- App crashing or freezing during workouts
- Inconsistent lap/distance tracking
- Sync issues between app and Apple Watch
- Inability to properly log or edit workouts

**Requested features**

- Improved Strava integration
- Better workout scheduling and notification features
- Ability to track kick sets and drills
- More comprehensive data analysis and visualization
- Seamless sync with Apple Health app


### Zygo

[App page](https://appshunter.io/ios/app/zygo/id1564866603)

Access over 500 guided swim workouts paired with music. Track your progress with lap counting and a tempo trainer. Stay connected with walkie-talkie functionality and manage device settings.

**Highlights:** 500+ guided swim workouts, Music integration, Lap counting, Tempo trainer, Walkie-talkie feature, Battery level monitoring, Firmware updates

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $49.99 | per year |


## Frequently asked questions

### Is Swim.com free?

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

### Is Zygo free?

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

### Which has better reviews, Swim.com or Zygo?

Swim.com is rated higher. Swim.com averages 4.4 out of 5 from 1.1K ratings, while Zygo averages 4.2 from 135 ratings.

### Do Swim.com or Zygo have ads?

Neither Swim.com nor Zygo shows ads.

### Which is updated more often, Swim.com or Zygo?

Swim.com ships an update monthly, and Zygo every 2 months. Most recently, Swim.com was updated on October 26, 2026 and Zygo on October 24, 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.*