# JS Express vs Phlex Swim App

The clearest difference is in-app purchases: JS Express at none against Phlex Swim App's 2. JS Express also leads on ads (none vs shown) and iOS requirement (11.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. Phlex Swim App sells 2 in-app purchases, starting at $12.99 per month. JS Express asks for nothing beyond the download.

## The numbers

| Metric | JS Express | Phlex Swim App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (38 ratings)](https://appshunter.io/ios/app/phlex-swim-app/id6446498031/reviews)** |
| Number of ratings | — | **38** |
| Positive reviews | — | 70.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 44 MB | 189 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Nci Technology Inc.](https://appshunter.io/developer/868272704) | [Phlex LLC](https://appshunter.io/developer/1450954632) |

## What reviewers say

### JS Express

[App page](https://appshunter.io/ios/app/js-express/id1560596956)

**Features:** macOS Compatibility

**In-app purchases:** none


### Phlex Swim App

[App page](https://appshunter.io/ios/app/phlex-swim-app/id6446498031)

This app offers advanced swimming workout tracking with AI-powered precision. It monitors distance, time, technique, heart rate, and training effect, providing insights into progress and areas for improvement. Integrates with HealthKit for a comprehensive health overview.

**Highlights:** AI-powered workout tracking, Distance, time, and set recognition, Technique analysis (distance per stroke, efficiency), Heart rate monitoring, Progress tracking (technique, fitness, endurance, readiness), HealthKit integration

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $12.99 | per month |
| Annual Membership | $119.99 | per year |


## Frequently asked questions

### Is JS Express free?

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

### Is Phlex Swim App free?

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

### Do JS Express or Phlex Swim App have ads?

Phlex Swim App shows ads; JS Express does not.

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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.*