# PeakO₂: Stamina & Breath Guide — Endurance, Lung Health & Focus

> App for breath-hold and respiratory training to optimize oxygen efficiency. (iPhone/iPad app by ORIGINX GROUP PLT.)

- Source: https://appshunter.io/ios/app/peako-stamina-and-breath-guide/id6739490313 (this page in markdown: same URL + `.md`)
- Developer: [ORIGINX GROUP PLT](https://appshunter.io/developer/1725593771)
- Category: Sports, Health & Fitness
- Price: Free with in-app purchases
- Rating: 4.92/5 from 13 App Store ratings
- Age rating: 4+
- Requires: iOS 17.6 · 24 MB
- Languages: English
- Released: 2025-01-06
- Data updated: 2026-07-06
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/peako-stamina-and-breath-guide/id6739490313/reviews.md

## What is PeakO₂?

Transform your breath control and optimize your oxygen efficiency with PeakO₂, the ultimate app for breath-hold and respiratory training. Designed for freedivers, athletes, meditators, and anyone seeking better physical and mental endurance, PeakO₂ helps you master oxygen efficiency through structured, customizable exercises.

Key Features

Personalized O₂ Training Plans
• Customize your breath-hold start time
• Increment hold durations as you progress
• Set rest intervals and cooldown periods

Guided Breath-Hold Sessions
• Step-by-step visual and audio cues for a seamless experience
• Clear progress animations for focus and consistency

Track Your Progress
• Monitor your longest breath-hold and total training time
• Build streaks and stay motivated with performance milestones

Beautiful, Intuitive Design
• Minimalist interface to keep you focused during training
• Calm visuals for a relaxing, distraction-free experience

Perfect for All Levels
Whether you’re a beginner building breath control, a swimmer, a freediver, or someone improving focus through breath work, O₂ Trainer adapts to your pace.


Breathe smarter. Train better. Download PeakO₂ today and begin your journey to mastering your breath.

Terms and pricing:
The annual subscription fee is $99.99 USD, offering you unlimited access to exclusive features as long as your subscription is active. This subscription renews automatically, with the charge being applied to your iTunes account upon confirmation of your initial purchase. To avoid automatic renewal, you can disable the auto-renewal feature in your Account Settings at least 24 hours before the end of the current subscription period. 

For more information, please refer to our terms of service available at https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ or privacy policy on https://magnetic-cement-d48.notion.site/Privacy-Policy-for-PeakO-iOS-App-15f9cea87bdb80cc8b2de5df98cd8d3c

## Key features

- Personalized O₂ training plans
- Customizable breath-hold start time
- Guided breath-hold sessions
- Visual and audio cues
- Progress tracking and milestones
- Minimalist and intuitive design

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Yearly | $17.99 | per year |
| Weekly | $0.99 | per 7 days |
| Monthly | $3.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime | $29.99 | one-time |



## Frequently asked questions about PeakO₂

### What is PeakO₂?

PeakO₂ is a breath-hold and respiratory training app designed to optimize oxygen efficiency and improve physical and mental endurance. It offers personalized plans and guided sessions for various levels.

### What are the subscription options for PeakO₂?

PeakO₂ offers weekly ($0.99/P7D), monthly ($3.99/P1M), and yearly ($17.99/P1Y) subscription plans. The yearly plan includes a 3-day free trial.

### How can I cancel my PeakO₂ subscription?

To cancel your PeakO₂ subscription and avoid automatic renewal, you need to disable the auto-renewal feature in your Account Settings at least 24 hours before the current subscription period ends.

### Is PeakO₂ suitable for beginners?

Yes, PeakO₂ is designed for all levels, from beginners building breath control to experienced freedivers. The app adapts to your pace and progress.

### What devices does PeakO₂ support?

PeakO₂ is available on iPhone and iPad, indicated by its support for these devices.

### How often is PeakO₂ updated?

The latest version of PeakO₂ is 1.0.6, and it was last updated on April 13, 2026. This suggests a relatively recent update cycle.

### Does PeakO₂ have ads?

Yes, PeakO₂ contains advertisements. This is indicated by the 'hasAds' flag being true in the application data.

### What is the age rating for PeakO₂?

PeakO₂ has an age rating of 4+, making it suitable for a wide range of users.

## Version history (last 5 releases)

### 1.0.6 — 2026-04-13

minor bugs fixed and performance improvements

### 1.0.5 — 2026-02-27

minor bugs fixed and performance improvements

### 1.0.4 — 2025-03-31

minor bugs fixed and performance improvements

### 1.0.3 — 2025-03-11

This update includes minor bug fixes

### 1.0.2 — 2025-01-25

minor bugs fixed and performance improvements

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All apps by ORIGINX GROUP PLT: https://appshunter.io/developer/1725593771

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-06.*