# STAmina Apnea Trainer vs Oceanic+ Scuba Diving Computer

The clearest difference is rating: STAmina Apnea Trainer at 4.9 against Oceanic+ Scuba Diving Computer's 4.4. STAmina Apnea Trainer also leads on review sentiment (88% vs 62%) and update cadence (every 6 days vs every 4 weeks). Oceanic+ Scuba Diving Computer's advantage is chart position (#67 vs unranked). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. STAmina Apnea Trainer sells 2 in-app purchases, starting at $4.99 per month and Oceanic+ Scuba Diving Computer sells 7 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

STAmina Apnea Trainer holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 5.4K and 4.7K respectively. Written reviews point the same way: 88% of STAmina Apnea Trainer's written reviews are positive against 62% of Oceanic+ Scuba Diving Computer's.

STAmina Apnea Trainer ships an update every 6 days, Oceanic+ Scuba Diving Computer every 4 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | STAmina Apnea Trainer | Oceanic+ Scuba Diving Computer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (5.4K ratings)](https://appshunter.io/ios/app/stamina-apnea-trainer/id994874491/reviews)** | [4.4 (4.7K ratings)](https://appshunter.io/ios/app/oceanic-plus-scuba-diving-computer/id1610517133/reviews) |
| Number of ratings | **5.4K** | 4.7K |
| Positive reviews | **88.5% of reviews** | 62.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 4 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#67** |
| Size | 55 MB | 76 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Squarecrowd Apps, LLC](https://appshunter.io/developer/1438497992) | [Huish Outdoors, LLC](https://appshunter.io/developer/1591942998) |

## 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


### Oceanic+ Scuba Diving Computer

[App page](https://appshunter.io/ios/app/oceanic-plus-scuba-diving-computer/id1610517133)

**Currently charting:** #67 Top Grossing · Sports (US App Store)

Transform your Apple Watch Ultra into a comprehensive dive computer for scuba, freediving, and snorkeling. Explore new locations with heatmaps, track your routes, organize underwater media, and share your adventures securely. Plan dives, monitor real-time data, and stay safe with advanced algorithms.

**Highlights:** Dive computer functionality, Snorkeling route tracking, User-generated dive spot heatmaps, Dive log and media organization, Pre-dive planner, Real-time dive data monitoring, Freediving mode with custom alarms

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Snorkeling+ | $1.99 | per month |
| Freediving Monthly | $4.99 | per month |
| Monthly | $9.99 | per month |
| Annual | $79.99 | per year |
| Annual Family | $129.99 | per year |
| One day | $0.99 | one-time |
| One Day | $4.99 | one-time |

**What reviewers like**

- 🚀 Bright, clear display
- 👍 Intuitive and easy to use
- 🚀 Detailed dive logs and analytics
- 👍 Helpful safety alerts and vibration feedback
- 🚀 Seamless integration with Apple Watch

**What reviewers complain about**

- 🔒 Subscription-based model
- 🐛 Syncing issues between watch and phone
- 🐛 Unreliable dive mode activation
- 🐛 Premature dive end when surfacing briefly
- 🔒 Lack of air integration

**Reported bugs**

- App crashes or freezes during dives
- Dive data not syncing correctly between devices
- Incorrect depth/time recording in some cases
- Unexpected switches between dive and snorkel modes

**Requested features**

- Ability to manually add/edit past dives
- Option to customize data screens and information displayed
- Automatic dive mode activation upon submerging
- Air integration with tank pressure monitoring
- Offline functionality and dive log backup


## Frequently asked questions

### Is STAmina Apnea Trainer free?

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

### Is Oceanic+ Scuba Diving Computer free?

Oceanic+ Scuba Diving Computer is free to download, with in-app purchases available.

### Which has better reviews, STAmina Apnea Trainer or Oceanic+ Scuba Diving Computer?

STAmina Apnea Trainer is rated higher. STAmina Apnea Trainer averages 4.9 out of 5 from 5.4K ratings, while Oceanic+ Scuba Diving Computer averages 4.4 from 4.7K ratings.

### Do STAmina Apnea Trainer or Oceanic+ Scuba Diving Computer have ads?

Neither STAmina Apnea Trainer nor Oceanic+ Scuba Diving Computer shows ads.

### Which is updated more often, STAmina Apnea Trainer or Oceanic+ Scuba Diving Computer?

STAmina Apnea Trainer ships an update every 6 days, and Oceanic+ Scuba Diving Computer every 4 weeks. Most recently, STAmina Apnea Trainer was updated on October 24, 2026 and Oceanic+ Scuba Diving Computer on October 25, 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.*