# Hexoskin vs Train.Red APP

The clearest difference is update cadence: Train.Red APP at every 3 weeks against Hexoskin's every 2 months. Train.Red APP also leads on iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Hexoskin ships an update every 2 months, Train.Red APP every 3 weeks. The most recent releases landed on June 11, 2026 and July 30, 2026 respectively.

## The numbers

| Metric | Hexoskin | Train.Red APP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trainred-app/id6451237438/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 77 MB | 101 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carre Technologies Inc.](https://appshunter.io/developer/405309610) | [Train.Red B.V.](https://appshunter.io/developer/1646391181) |

## What reviewers say

### Hexoskin

[App page](https://appshunter.io/ios/app/hexoskin/id593087144)

Monitor your health and fitness with advanced smart clothing sensors. Track ECG, respiration, and activity metrics for comprehensive wellness insights. Optimize sleep, performance, and recovery with detailed reports and fitness tests.

**Highlights:** ECG, Respiration, Accelerometer sensor tracking, Heart Rate, Breathing Rate, HRV monitoring, VO2 max and Heart Rate Recovery tests, Activity tracking (steps, cadence, calories), Advanced sleep quality reports, Clinical research participant monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### Train.Red APP

[App page](https://appshunter.io/ios/app/trainred-app/id6451237438)

This app monitors muscle oxygen saturation to provide real-time physiological insights for athletes and coaches. It helps optimize performance, track recovery, and analyze training data with actionable metrics.

**Highlights:** Muscle oxygen saturation monitoring, Real-time physiological insights, Performance and recovery tracking, Workout analysis and data export, Team/organization structure, Live data overlay

**In-app purchases:** none


## Frequently asked questions

### Is Hexoskin free?

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

### Is Train.Red APP free?

Train.Red APP is free to download, with no in-app purchases.

### Do Hexoskin or Train.Red APP have ads?

Neither Hexoskin nor Train.Red APP shows ads.

### Which is updated more often, Hexoskin or Train.Red APP?

Hexoskin ships an update every 2 months, and Train.Red APP every 3 weeks. Most recently, Hexoskin was updated on June 11, 2026 and Train.Red APP on July 30, 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.*