# Scuba Diving Computer Oceanic+ vs MARBATX

The clearest difference is in-app purchases: MARBATX at none against Scuba Diving Computer Oceanic+'s 7. MARBATX also leads on update cadence (every 9 days vs every 3 weeks) and iOS requirement (15.0 vs 18.0). Scuba Diving Computer Oceanic+'s advantage is chart position (#70 vs unranked). On price, ads and device support there is nothing between them.

Both are free to download. Scuba Diving Computer Oceanic+ sells 7 in-app purchases, starting at $1.99 per month. MARBATX asks for nothing beyond the download.

Scuba Diving Computer Oceanic+ ships an update every 3 weeks, MARBATX every 9 days. The most recent releases landed on September 26, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Scuba Diving Computer Oceanic+ | MARBATX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (4.7K ratings)](https://appshunter.io/ios/app/scuba-diving-computer-oceanic-plus/id1610517133/reviews)** | — |
| Number of ratings | **4.7K** | — |
| Positive reviews | 68.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#70** | — |
| Size | 102 MB | 12 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Huish Outdoors, LLC](https://appshunter.io/developer/1591942998) | [ahmad alsaleh](https://appshunter.io/developer/1878057064) |

## What reviewers say

### Scuba Diving Computer Oceanic+

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

**Currently charting:** #70 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


### MARBATX

[App page](https://appshunter.io/ios/app/marbatx/id6769897380)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Scuba Diving Computer Oceanic+ free?

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

### Is MARBATX free?

MARBATX is free to download, with no in-app purchases.

### Do Scuba Diving Computer Oceanic+ or MARBATX have ads?

Neither Scuba Diving Computer Oceanic+ nor MARBATX shows ads.

### Which is updated more often, Scuba Diving Computer Oceanic+ or MARBATX?

Scuba Diving Computer Oceanic+ ships an update every 3 weeks, and MARBATX every 9 days. Most recently, Scuba Diving Computer Oceanic+ was updated on September 26, 2026 and MARBATX on September 10, 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.*