# STAmina Apnea Coach vs maPollution

The clearest difference is update cadence: STAmina Apnea Coach at every 2 months against maPollution's every 8 months. STAmina Apnea Coach also leads on iOS requirement (13.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

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

STAmina Apnea Coach ships an update every 2 months, maPollution every 8 months. The most recent releases landed on October 18, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | STAmina Apnea Coach | maPollution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/stamina-apnea-coach/id6446412971/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Free | — |
| Size | 7 MB | 44 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 12+ |
| Developer | [Squarecrowd Apps, LLC](https://appshunter.io/developer/1438497992) | [Ronald Van Assche](https://appshunter.io/developer/820317811) |

## What reviewers say

### STAmina Apnea Coach

[App page](https://appshunter.io/ios/app/stamina-apnea-coach/id6446412971)

This app helps users improve their breath-holding abilities and CO2 tolerance. It's designed for a wide range of activities, from freediving and spearfishing to sports like rugby and running.

**Highlights:** Improve breath-holding duration, Develop CO2 tolerance, Suitable for beginners to professionals, Beneficial for freediving and spearfishing, Enhances performance in underwater sports, Aids surfers and runners

**Features:** Apple Watch app

**In-app purchases:** none


### maPollution

[App page](https://appshunter.io/ios/app/mapollution/id6741442093)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is STAmina Apnea Coach free?

STAmina Apnea Coach is free to download, with no in-app purchases.

### Is maPollution free?

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

### Do STAmina Apnea Coach or maPollution have ads?

Neither STAmina Apnea Coach nor maPollution shows ads.

### Which is updated more often, STAmina Apnea Coach or maPollution?

STAmina Apnea Coach ships an update every 2 months, and maPollution every 8 months. Most recently, STAmina Apnea Coach was updated on October 18, 2026 and maPollution on October 28, 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.*