# Otter Freedive Apnea — Breath-Hold Endurance Training

> Freediving and apnea training app for breath-hold endurance and underwater skills. (iPhone/iPad app by 丰 连.)

- Source: https://appshunter.io/ios/app/otter-freedive-apnea/id6741886229 (this page in markdown: same URL + `.md`)
- Developer: [丰 连](https://appshunter.io/developer/827784161)
- Category: Health & Fitness
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 13 · 84 MB
- Languages: Russian, American English, Korean, Chinese (Simplified, China), French (France), Japanese
- Released: 2025-03-04
- Data updated: 2026-09-09
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/otter-freedive-apnea/id6741886229/reviews.md

## What is Otter Freedive Apnea?

Otter Freedive Apnea– Unlock Your Underwater Potential!
Want to improve your freediving, apnea, and diving skills?
Otter Freedive Apnea is a training app designed for freediving enthusiasts, helping you optimize your breath-hold ability, increase underwater endurance, and explore deeper waters. Whether you're a beginner or an experienced freediver, this app provides professional training guidance to help you break limits and enjoy the tranquility and freedom of the underwater world.

Key Features

Personalized Training Plans – Custom training programs based on your maximum breath-hold time to steadily improve your freediving ability.
CO₂ Tolerance Training – Gradually shorten breathing intervals to enhance adaptation to high CO₂ concentrations.
Hypoxia Adaptation Training – Extend breath-holding time and train your body’s tolerance to low-oxygen environments.
Data Tracking & Analysis – Record your training progress, view breath-hold duration curves, and adjust training strategies accurately.
Practical Tutorials & Guidance – Detailed explanations of freediving techniques so you can learn and practice scientifically to improve your diving performance.
Unleash Your Underwater Potential
Freediving is not only an exhilarating extreme sport but also a journey of self-discipline. It helps you increase lung capacity, enhance focus, relax your mind and body, and find true tranquility beneath the waves.

Download Otter Freedive Apnea now and start your freediving journey! Challenge yourself and explore deeper waters!

[The Gold Membership renews automatically]

Gold Membership Benefits: No ads;
Subscription duration: One month (for Gold Card Members, ongoing monthly subscription products) or one year (for Gold Card Members, ongoing annual subscription products).
Subscription price: Subject to the iAP application information, for example, the monthly subscription product is $1.99 per month;
Payment: Once the user confirms the purchase and makes the payment, it will be charged to their iTunes account.
Cancel Renewal: If you need to cancel the renewal, please manually turn off the auto-renewal feature in the iTunes/Apple ID settings management 24 hours before the current subscription period ends.
Renewal: The Apple iTunes account will be charged within 24 hours before expiration, and after the deduction is successful, the subscription period will be extended for one more subscription period.
Free first month trial: If you renew or cancel the renewal during the free trial period, the user's free trial rights will not be withdrawn, and the user can continue the trial until the end of the trial period;
Privacy Policy: http://just4funcompany.blogspot.com/
User Agreement: http://just4funcompany.blogspot.com/
Auto-Renewal Service Agreement: https://just4funcompany.blogspot.com/2023/07/auto-renewal-service-agreement.html

## Key features

- Personalized training plans
- CO₂ tolerance training
- Hypoxia adaptation training
- Data tracking and analysis
- Practical tutorials and guidance
- Breath-hold endurance improvement

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Pay monthly | $1.99 | per month |
| Pay annually | $19.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime | $24.99 | one-time |


## Recent user reviews (6 of 6)

All indexed reviews: https://appshunter.io/ios/app/otter-freedive-apnea/id6741886229/reviews.md

### 1/5 — 不评论不给用垃圾

*2026-07-01*

不评论不给用垃圾

### 5/5 — 好宝宝

*2026-06-21*

不错

### 5/5 — Отличное приложение

*2026-02-17*

Спасибо за удобное приложение .

### 1/5 — 两项实用功能的需求建议

*2025-12-28*

闭气时自动关闭手机震动，增加调息功能

### 4/5 — 괜찮아요

*2025-08-03*

괜찮아요

### 5/5 — 好

*2025-04-29*

好

## Frequently asked questions about Otter Freedive Apnea

### What is Otter Freedive Apnea?

Otter Freedive Apnea is a training application designed to help users improve their freediving, apnea, and diving skills. It focuses on optimizing breath-hold ability, increasing underwater endurance, and providing professional training guidance.

### What kind of training does Otter Freedive Apnea offer?

The app offers personalized training plans based on your maximum breath-hold time, CO₂ tolerance training by shortening breathing intervals, and hypoxia adaptation training to extend breath-holding time.

### Can I track my progress with Otter Freedive Apnea?

Yes, the app features data tracking and analysis, allowing you to record your training progress, view breath-hold duration curves, and accurately adjust your training strategies.

### What are the subscription options for Otter Freedive Apnea?

Otter Freedive Apnea offers a Gold Membership with monthly and annual subscription plans. The monthly subscription is $1.99 per month, and the annual subscription is $19.99 per year. A free first month trial is available.

### How do I cancel my Otter Freedive Apnea subscription?

To cancel your subscription renewal, you need to manually turn off the auto-renewal feature in your iTunes/Apple ID settings management at least 24 hours before your current subscription period ends.

### Does Otter Freedive Apnea have ads?

The Gold Membership for Otter Freedive Apnea includes the benefit of having no ads. Users on the free tier may encounter advertisements.

### What devices is Otter Freedive Apnea available on?

Otter Freedive Apnea is supported on iPhone and iPod devices. It is rated for ages 4 and up.

### How often is Otter Freedive Apnea updated?

The app was last updated on October 29, 2025, with version 1.0.3. This indicates a relatively recent update, suggesting ongoing development and support.

## Version history (last 4 releases)

### 1.0.3 — 2025-10-29

* Fixed tiny bugs.

### 1.0.2 — 2025-07-07

* Optimize UI.

### 1.0.1 — 2025-06-30

* Optimize UI.

### 1.0 — 2025-03-04

No release notes.

## Apps similar to Otter Freedive Apnea

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [freedive STA](https://appshunter.io/ios/app/freedive-sta/id6741502506) | — | Free | Health & Fitness |
| [Apnea Training for Freediving](https://appshunter.io/ios/app/apnea-training-for-freediving/id6474778415) | 5.0 (2) | Free | Health & Fitness |
| [BreatheDeep: Apnea Trainer](https://appshunter.io/ios/app/breathedeep-apnea-trainer/id6749043591) | 5.0 (2) | Free | Health & Fitness |
| [iDiving – Freediving Breath](https://appshunter.io/ios/app/idiving-freediving-breath/id6757894735) | — | Free | Health & Fitness |
| [Freediving hold breath + Apnea](https://appshunter.io/ios/app/freediving-hold-breath-plus-apnea/id6462336236) | — | Free | Health & Fitness |
| [Apnea Trainer: Nea](https://appshunter.io/ios/app/apnea-trainer-nea/id6461216531) | 5.0 (11) | Free | Health & Fitness |

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All apps by 丰 连: https://appshunter.io/developer/827784161

## Related topics

[otter freedive apnea](https://appshunter.io/ios/topics/otter-freedive-apnea) · [apnea freediving exercises](https://appshunter.io/ios/topics/apnea-freediving-exercises)

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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 2026-09-09.*