# Red Zone vs Sigma Q Fit

The clearest difference is in-app purchases: Red Zone at none against Sigma Q Fit's 2. Sigma Q Fit's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sigma Q Fit sells 2 in-app purchases, starting at $14.99 per month. Red Zone asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Red Zone | Sigma Q Fit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sigma-q-fit/id6443393641/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 47 MB | 184 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [TrantorMind s.r.l](https://appshunter.io/developer/1331878308) | [Caadio Sports Limited](https://appshunter.io/developer/1644907431) |

## What reviewers say

### Red Zone

[App page](https://appshunter.io/ios/app/red-zone/id1553761417)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Sigma Q Fit

[App page](https://appshunter.io/ios/app/sigma-q-fit/id6443393641)

This platform helps athletes and active individuals optimize their recovery and training. Share your progress with medical professionals and coaches to reach peak performance. Integrates with Apple Health for comprehensive data tracking.

**Highlights:** Recovery statistics, Workout tracker, Peak performance insights, Doctor and coach collaboration, Apple Health integration

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| £12.99 | $14.99 | per month |
| £129.99 | $149.99 | per year |


## Frequently asked questions

### Is Red Zone free?

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

### Is Sigma Q Fit free?

Sigma Q Fit is free to download, with in-app purchases available.

### Do Red Zone or Sigma Q Fit have ads?

Neither Red Zone nor Sigma Q Fit shows ads.

### Which is updated more often, Red Zone or Sigma Q Fit?

Red Zone ships an update monthly, and Sigma Q Fit monthly. Most recently, Red Zone was updated on October 25, 2026 and Sigma Q Fit 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.*