# STAmina Apnea Trainer vs Oxygen Advantage®

The clearest difference is rating: STAmina Apnea Trainer at 4.9 against Oxygen Advantage®'s 4.2. STAmina Apnea Trainer also leads on update cadence (every 6 days vs every 2 months) and ratings volume (5.4K vs 110). Oxygen Advantage®'s advantage is in-app purchases (none vs 2) and iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. STAmina Apnea Trainer sells 2 in-app purchases, starting at $4.99 per month. Oxygen Advantage® asks for nothing beyond the download.

STAmina Apnea Trainer holds the better App Store score, 4.9 against 4.2. That said, the two scores are not equally well evidenced: STAmina Apnea Trainer has 5.4K ratings behind it against 110, so its average is the more settled of the two. Written reviews point the same way: 88% of STAmina Apnea Trainer's written reviews are positive against 75% of Oxygen Advantage®'s.

STAmina Apnea Trainer ships an update every 6 days, Oxygen Advantage® every 2 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | STAmina Apnea Trainer | Oxygen Advantage® |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (5.4K ratings)](https://appshunter.io/ios/app/stamina-apnea-trainer/id994874491/reviews)** | [4.2 (110 ratings)](https://appshunter.io/ios/app/oxygen-advantage/id1589260950/reviews) |
| Number of ratings | **5.4K** | 110 |
| Positive reviews | **88.5% of reviews** | 74.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 55 MB | 75 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Squarecrowd Apps, LLC](https://appshunter.io/developer/1438497992) | [Oxygen Research Institute Ltd.](https://appshunter.io/developer/1589260952) |

## What reviewers say

### STAmina Apnea Trainer

[App page](https://appshunter.io/ios/app/stamina-apnea-trainer/id994874491)

This app helps users improve their breath-holding capabilities for activities like freediving, spearfishing, and other water sports. It offers various training tables and personalized programs to enhance physical and mental endurance underwater.

**Highlights:** 6 Apnea table options (O2 deprivation, CO2 tolerance, Wonka, Mix, Custom, Pranayama), Personalized training programs with 3 difficulty levels, Customizable exercise settings, Training reminders, Detailed statistics and training history, Voice guidance, Heart rate and oxygen saturation tracking (requires compatible monitor)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| STAmina Pro (1 Month) | $4.99 | per month |
| STAmina Pro (1 Year) | $29.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 👍 Helps improve breath hold
- 🚀 Customizable tables
- 👍 Tracks progress
- 👍 Integrates with devices

**What reviewers complain about**

- 🐛 Glitchy UI when switching devices
- 🐛 Unreliable Apple Watch sync
- 🐛 Buggy watch app
- 🐛 Laggy sync between watch and phone
- 🐛 Haptic feedback issues

**Reported bugs**

- Apple Watch app doesn't synchronize reliably
- Watch app missing features of phone app
- Random beeps and haptics not selected in settings
- App crashes when run from synced phone
- HRV not recorded in Apple Health

**Requested features**

- Recommended training regimens based on goals
- Voice announcements of passing time
- Ability to pause/resume rest intervals
- Apple Watch app with same functionality as phone app
- Integration with more pulse oximeters


### Oxygen Advantage®

[App page](https://appshunter.io/ios/app/oxygen-advantage/id1589260950)

This app offers a personalized daily breathing plan with guided exercises, meditations, and mindfulness coaching to improve physical and mental well-being. It focuses on functional nasal breathing to enhance performance, reduce anxiety, and promote better sleep. Suitable for all ages and fitness levels, it helps build healthy breathing habits.

**Highlights:** Customizable daily breathing plan, Guided meditations and breathwork, Instructional videos library, Breathing pacer with adjustable speed, Progress tracking with charts and graphs, Reminders and custom notifications, Buteyko Breathing Method for kids

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STAmina Apnea Trainer free?

STAmina Apnea Trainer is free to download, with in-app purchases available.

### Is Oxygen Advantage® free?

Oxygen Advantage® is free to download, with no in-app purchases.

### Which has better reviews, STAmina Apnea Trainer or Oxygen Advantage®?

STAmina Apnea Trainer is rated higher. STAmina Apnea Trainer averages 4.9 out of 5 from 5.4K ratings, while Oxygen Advantage® averages 4.2 from 110 ratings.

### Do STAmina Apnea Trainer or Oxygen Advantage® have ads?

Neither STAmina Apnea Trainer nor Oxygen Advantage® shows ads.

### Which is updated more often, STAmina Apnea Trainer or Oxygen Advantage®?

STAmina Apnea Trainer ships an update every 6 days, and Oxygen Advantage® every 2 months. Most recently, STAmina Apnea Trainer was updated on October 29, 2026 and Oxygen Advantage® 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.*