# Tortuba vs Oceanic+ Scuba Diving Computer

The clearest difference is rating: Tortuba at 5.0 against Oceanic+ Scuba Diving Computer's 4.4. Tortuba also leads on review sentiment (100% vs 62%) and iOS requirement (14.0 vs 18.0). Oceanic+ Scuba Diving Computer's advantage is ratings volume (4.7K vs 1) and update cadence (every 4 weeks vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Tortuba sells 10 one-off in-app purchases 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.

Tortuba holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Oceanic+ Scuba Diving Computer has 4.7K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Tortuba's written reviews are positive against 62% of Oceanic+ Scuba Diving Computer's.

Tortuba ships an update every 2 months, Oceanic+ Scuba Diving Computer every 4 weeks. The most recent releases landed on October 12, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Tortuba | Oceanic+ Scuba Diving Computer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tortuba/id530872097/reviews)** | [4.4 (4.7K ratings)](https://appshunter.io/ios/app/oceanic-plus-scuba-diving-computer/id1610517133/reviews) |
| Number of ratings | 1 | **4.7K** |
| Positive reviews | **100.0% of reviews** | 62.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#69** |
| Size | 93 MB | 76 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Goodwhale](https://appshunter.io/developer/530872100) | [Huish Outdoors, LLC](https://appshunter.io/developer/1591942998) |

## What reviewers say

### Tortuba

[App page](https://appshunter.io/ios/app/tortuba/id530872097)

Log your underwater adventures and identify marine species with this playful and simple app. It offers an offline species database, allows you to record dive details, and helps you share your experiences to raise ocean awareness.

**Highlights:** Offline species database, Log dive parameters, Identify marine species, Add dive photos, Share dive stories, Team member signatures

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bunaken | $9.99 | one-time |
| Roatan-Bays island | $9.99 | one-time |
| Komodo Creatures | $9.99 | one-time |
| Lembeh Strait | $9.99 | one-time |
| Komodo with Siren Fleet | $9.99 | one-time |
| Galapagos with Master Liveaboards | $9.99 | one-time |
| Fiji with Siren Fleet | $9.99 | one-time |
| Raja Ampat with Siren Fleet | $9.99 | one-time |
| Basking Shark Scotland | $9.99 | one-time |
| Bunaken with Siladen | $9.99 | one-time |


### Oceanic+ Scuba Diving Computer

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

**Currently charting:** #69 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 Tortuba free?

Tortuba 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, Tortuba or Oceanic+ Scuba Diving Computer?

Tortuba is rated higher. Tortuba averages 5.0 out of 5 from 1 ratings, while Oceanic+ Scuba Diving Computer averages 4.4 from 4.7K ratings.

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

Neither Tortuba nor Oceanic+ Scuba Diving Computer shows ads.

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

Tortuba ships an update every 2 months, and Oceanic+ Scuba Diving Computer every 4 weeks. Most recently, Tortuba was updated on October 12, 2026 and Oceanic+ Scuba Diving Computer on October 22, 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.*