# OxyBoost - Apnea Trainer — Breath-work, relax, freediving

> Breath-work, relax, freediving (iPhone/iPad app by Artem Verbat.)

- Source: https://appshunter.io/ios/app/oxyboost-apnea-trainer/id6739809272 (this page in markdown: same URL + `.md`)
- Developer: [Artem Verbat](https://appshunter.io/developer/1787150868)
- Category: Health & Fitness, Sports
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 26.2 · 22 MB
- Languages: English
- Released: 2025-01-17
- Data updated: 2026-07-06
- User reviews in markdown: https://appshunter.io/ios/app/oxyboost-apnea-trainer/id6739809272/reviews.md

## What is OxyBoost?

OxyBoost is a minimalist breathwork training app designed to help you improve your breath-hold capacity, control, and relaxation. Through scientifically designed exercises, you can systematically train your body and mind for better breathing.

Disclaimer: This app is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or another qualified health provider before starting any breathwork or apnea training. Do not disregard medical advice or delay in seeking it because of something you have read in this app.

Key Features:
	•	Box breathing
	•	O2 / CO2 / Relaxation (no contraction) apnea tables
	•	Customisable exercises with adjustable intervals
	•	History and statistics
	•	Share exercise by link or QR
	•	Voice guidance and subtle notifications
        •      Dark and light theme support
        •      Practice screen customisation
	•	Realtime sync across your devices
	•	All your data saved in the cloud and protected with Apple Sign In

Start your journey with OxyBoost and discover the power of controlled breathing.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Privacy Policy: https://www.termsfeed.com/live/64e143d2-edb4-4d5a-b060-9ccb7102ce9b

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Pro (Yearly) | $19.99 | per year |
| Pro (Monthly) | $1.99 | per month |
| Pro (Yearly) | $11.99 | per year |



## Version history (last 5 releases)

### 2.2.1 — 2026-07-04

Scanning a shared exercise QR code now opens it directly in the app

### 2.1.1 — 2026-03-15

Fixed a display issue on the Share Exercise screen when sharing content on iPad and Mac (previously the content would not fit)

### 2.1.0 — 2026-03-12

- Triangle Breathing exercise
- Practice playlist showing reps and phases
- Drag-and-drop exercise sorting
- Adaptive layout scaling for iPad and Mac
- Cursor hover effects on list items (iPad/Mac)
- Right-click context menus (Edit, Duplicate, Share, Delete)
- New completion sound
- Interval notifications now fire at remaining time
- Email format validation in profile settings
- Fixed audio delay on first exercise start
- Fixed subscription entitlements not recognized

### 2.0.0 — 2026-03-11

Rebuilt from scratch in Swift & SwiftUI for better performance and reliability.

  New

  - 4 practice styles — Glow Ring, Progress Ring, Zen Minimal, and Wave. Pick your preferred visual in Settings.
  - Undo delete — Accidentally deleted something? Undo toast lets you recover it.
  - Offline-first architecture — App works fully offline with local database. Syncs automatically when back online.
  - New view for history charts, more guides, better performance
  - Optimized for large screens like MacBook and iPad

### 1.8.3 — 2025-04-11

- Remove duplicate title from the save exercise modal
- Trying to fix exercise sound playing after open music player simultaneously

## Apps similar to OxyBoost

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [freedive STA](https://appshunter.io/ios/app/freedive-sta/id6741502506) | — | Free | Health & Fitness |
| [Molchanovs](https://appshunter.io/ios/app/molchanovs/id6740040902) | — | Free | Health & Fitness |
| [Stamina Apnea Trainer: ApneaX](https://appshunter.io/ios/app/stamina-apnea-trainer-apneax/id6744343835) | — | Free | Health & Fitness |
| [Freediving Apnea Exercise](https://appshunter.io/ios/app/freediving-apnea-exercise/id6479372267) | 4.0 (1) | Free | Health & Fitness |
| [Apnea Training for Freediving](https://appshunter.io/ios/app/apnea-training-for-freediving/id6474778415) | 5.0 (2) | Free | Health & Fitness |
| [Kokyu: Diver Companion](https://appshunter.io/ios/app/kokyu-diver-companion/id6749611776) | 5.0 (5) | Free | Health & Fitness |

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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.*