# Scuba Dive Signals vs Oceanic+ Scuba Diving Computer

The clearest difference is rating: Scuba Dive Signals at 5.0 against Oceanic+ Scuba Diving Computer's 4.4. Scuba Dive Signals also leads on review sentiment (100% vs 62%) and in-app purchases (none vs 7). Oceanic+ Scuba Diving Computer's advantage is update cadence (every 4 weeks vs every 42 months) and ratings volume (4.7K vs 3). On price, ads and device support there is nothing between them.

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

Scuba Dive Signals 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 3, so its average is the more settled of the two. Written reviews point the same way: 100% of Scuba Dive Signals's written reviews are positive against 62% of Oceanic+ Scuba Diving Computer's.

Scuba Dive Signals ships an update every 42 months, Oceanic+ Scuba Diving Computer every 4 weeks. The most recent releases landed on October 8, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Scuba Dive Signals | Oceanic+ Scuba Diving Computer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/scuba-dive-signals/id1483856571/reviews)** | [4.4 (4.7K ratings)](https://appshunter.io/ios/app/oceanic-plus-scuba-diving-computer/id1610517133/reviews) |
| Number of ratings | 3 | **4.7K** |
| Positive reviews | **100.0% of reviews** | 62.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 4 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#58** |
| Size | 3 MB | 76 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Eric Hamiter](https://appshunter.io/developer/1482332471) | [Huish Outdoors, LLC](https://appshunter.io/developer/1591942998) |

## What reviewers say

### Scuba Dive Signals

[App page](https://appshunter.io/ios/app/scuba-dive-signals/id1483856571)

Access a comprehensive list of underwater hand signals for safe scuba diving communication. Includes a quiz feature to test your knowledge of signals recognized by major training agencies.

**Highlights:** List of recognized dive hand signals, Signals from PADI, NAUI, SSI, Quiz feature to test knowledge, Safety communication focus, Creative Commons licensed images

**Features:** macOS Compatibility

**In-app purchases:** none


### Oceanic+ Scuba Diving Computer

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

**Currently charting:** #58 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 Scuba Dive Signals free?

Scuba Dive Signals is free to download, with no in-app purchases.

### Is Oceanic+ Scuba Diving Computer free?

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

### Which has better reviews, Scuba Dive Signals or Oceanic+ Scuba Diving Computer?

Scuba Dive Signals is rated higher. Scuba Dive Signals averages 5.0 out of 5 from 3 ratings, while Oceanic+ Scuba Diving Computer averages 4.4 from 4.7K ratings.

### Do Scuba Dive Signals or Oceanic+ Scuba Diving Computer have ads?

Neither Scuba Dive Signals nor Oceanic+ Scuba Diving Computer shows ads.

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

Scuba Dive Signals ships an update every 42 months, and Oceanic+ Scuba Diving Computer every 4 weeks. Most recently, Scuba Dive Signals was updated on October 8, 2026 and Oceanic+ Scuba Diving Computer on October 28, 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.*