# Diving Master - Breath holding — Apnea trainer,Apnea app

> Apnea trainer for freediving and breath-holding skills with progress tracking. (iPhone/iPad app by 浩亮 孙.)

- Source: https://appshunter.io/ios/app/diving-master-breath-holding/id1631640772 (this page in markdown: same URL + `.md`)
- Developer: [浩亮 孙](https://appshunter.io/developer/1547792897)
- Category: Health & Fitness, Sports
- Price: $2.99 with in-app purchases
- Age rating: 4+
- Requires: iOS 16.1 · 3 MB
- Languages: American English, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2024-04-10
- Data updated: 2026-08-25
- Monetization: subscription
- User reviews in markdown: https://appshunter.io/ios/app/diving-master-breath-holding/id1631640772/reviews.md

## What is Diving Master?

If you're eager to challenge yourself and pursue a deeper experience in underwater adventures, then this is the app for you!

We provide you with functions such as CO2 tolerance training, O2 training, and maximum apnea time testing to help you improve your free diving, apnea apnea, and diving skills.
By recording your practice history and displaying it in intuitive and clear charts, you can clearly understand your training progress and motivate yourself to continuously push your limits.

Don't hesitate, download this app now and make your underwater adventures more exciting and fulfilling! Improve your freediving skills and start a new underwater adventure!


[Automatic renewal service statement]
Payment: After the user confirms the purchase and makes the payment, it will be credited to the iTunes account;
Renewal: Apple's iTunes account will be deducted within 24 hours before the subscription expires. After the deduction is successful, membership rights will be extended for one month.
Cancel renewal: If you need to cancel renewal, please manually turn off the automatic renewal function in iTunes/Apple ID settings management 24 hours before the current permission expires. If you cancel within 24 hours before expiration, the subscription fee will be charged.

1. Purchase automatic renewal products. After confirming the purchase, the corresponding fees will be deducted from your Apple iTunes account;
2. After activating the automatic renewal service, you will be automatically renewed one day before the membership expires. If the renewal is successful, the member will automatically extend the corresponding period;
3. If you need to cancel the renewal, please manually turn off the automatic renewal function in iTunes/Apple ID settings management 24 hours before the current permission expires. If you cancel within 24 hours before the expiration, the subscription fee will be charged.

User Agreement: https://www.privacypolicies.com/live/b3b99492-e174-4cdf-9e97-f1029e886cf6
Privacy Policy: https://www.privacypolicies.com/live/97e14c06-c9bf-401e-ac9f-554a8dc535cb

## Key features

- CO2 tolerance training
- O2 training
- Maximum apnea time testing
- Practice history recording
- Progress charts
- Freediving skill improvement

## Pricing and in-app purchases

Base price: $2.99.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Advanced Edition - Monthly | $1.99 | per month |
| Advanced Edition - Yearly | $12.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 高级版-永久使用 | $29.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/diving-master-breath-holding/id1631640772/reviews.md

### 1/5 — 基本没有内容

*2024-09-26*

没有用，别买

## Frequently asked questions about Diving Master

### What is Diving Master used for?

Diving Master is an apnea trainer designed to help users improve their freediving, apnea, and diving skills. It provides functions like CO2 tolerance training, O2 training, and maximum apnea time testing.

### Does Diving Master offer a free trial?

Yes, the 'Advanced Edition - Yearly' subscription plan includes a 7-day free trial. After the trial, the yearly subscription costs $12.99.

### How can I cancel my Diving Master subscription?

To cancel your subscription renewal, you need to manually turn off the automatic renewal function in your iTunes/Apple ID settings management at least 24 hours before your current subscription expires.

### What are the subscription options for Diving Master?

Diving Master offers two subscription plans: 'Advanced Edition - Monthly' for $1.99 per month and 'Advanced Edition - Yearly' for $12.99 per year, which includes a 7-day free trial.

### How does Diving Master track my progress?

The app records your practice history and displays it in intuitive and clear charts. This allows you to monitor your training progress and stay motivated.

### What devices is Diving Master compatible with?

Diving Master is available for iPhone and iPad devices.

### How often is Diving Master updated?

The latest version of Diving Master is 1.8.9, and it was last updated on August 21, 2024. This indicates regular updates from the developer.

### What is the age rating for Diving Master?

Diving Master has an age rating of 4+, making it suitable for a wide range of users interested in improving their diving skills.

## Version history (last 5 releases)

### 1.8.9 — 2024-08-21

~~ Fixes known issues and optimizes user experience. 
~~ Added system language under traditional Chinese, support Chinese display function.

### 1.8.8 — 2024-06-24

~~ Fixes known issues and optimizes user experience.
~~ Added modified tolerance training, holding time function.

### 1.8.7 — 2024-05-28

~~Fix known issues and optimize user experience.

### 1.8.6 — 2024-04-23

~~增加训练使用说明, 优化用户体验.

### 1.8.5 — 2024-04-14

~~添加免费试用体验功能, 优化用户体验.

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All apps by 浩亮 孙: https://appshunter.io/developer/1547792897

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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 2026-08-25.*