# Scuba Diving Computer Oceanic+ vs SeaThrough

The clearest difference is rating: SeaThrough at 5.0 against Scuba Diving Computer Oceanic+'s 4.4. SeaThrough also leads on in-app purchases (none vs 7). Scuba Diving Computer Oceanic+'s advantage is ratings volume (4.7K vs 4) and chart position (#63 vs unranked). On price, update cadence, 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. SeaThrough asks for nothing beyond the download.

SeaThrough holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Scuba Diving Computer Oceanic+ has 4.7K ratings behind it against 4, so its average is the more settled of the two.

Scuba Diving Computer Oceanic+ ships an update every 3 weeks, SeaThrough fortnightly. The most recent releases landed on October 20, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Scuba Diving Computer Oceanic+ | SeaThrough |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (4.7K ratings)](https://appshunter.io/ios/app/scuba-diving-computer-oceanic-plus/id1610517133/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/seathrough/id6758314434/reviews)** |
| Number of ratings | **4.7K** | 4 |
| Positive reviews | 62.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#63** | — |
| Size | 102 MB | 22 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Huish Outdoors, LLC](https://appshunter.io/developer/1591942998) | [MARTUN DAVOYAN](https://appshunter.io/developer/1872170946) |

## What reviewers say

### Scuba Diving Computer Oceanic+

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

**Currently charting:** #63 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


### SeaThrough

[App page](https://appshunter.io/ios/app/seathrough/id6758314434)

This app forecasts ocean water clarity for divers and spearfishers, focusing on Southern California. It uses a map to explore coastal areas, check hourly breakdowns of conditions, and plan optimal times for visibility based on tide, swell, and wind.

**Highlights:** Map-based spot discovery, Hour-by-hour clarity forecast, Tide direction and timing, Saved spots and planned dives, Location data requests

**Features:** macOS Compatibility

**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 SeaThrough free?

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

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

SeaThrough is rated higher. Scuba Diving Computer Oceanic+ averages 4.4 out of 5 from 4.7K ratings, while SeaThrough averages 5.0 from 4 ratings.

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

Neither Scuba Diving Computer Oceanic+ nor SeaThrough shows ads.

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

Scuba Diving Computer Oceanic+ ships an update every 3 weeks, and SeaThrough fortnightly. Most recently, Scuba Diving Computer Oceanic+ was updated on October 20, 2026 and SeaThrough on October 2, 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.*