Oceanic+ Scuba Diving Computer vs SeaThrough
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Oceanic+ Scuba Diving Computer
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.
- 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
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Dive into a World of Adventure with Oceanic+ on Your Apple Watch Ultra! Ready to make every dive or snorkeling experience an unforgettable journey? Oceanic+ transforms your Apple Watch Ultra into a full-featured dive computer, making it easier to explore the underwater world - from your favorite local spots to the most exotic oceans. NEW FEATURES Explore Like a Local with User-Generated Heatmaps Curious about the best dive spots? Our new heatmaps reveal popular scuba, freediving, and snorkeling locations worldwide or near your hotel. Switch between modes to see where fellow divers have explored and check water conditions reported up to 3 days in advance. Track Your Snorkeling Adventures Each snorkeling session is now mapped out for you! Get a detailed route using GPS data and relive the experience directly on your Apple Watch or iPhone. Your Dive Memories, Perfectly Organized Sorting through your dive photos and videos has never been easier. Our updated interface allows you to quickly organize, color-correct, and relive your underwater moments. Share the Joy, Keep Your Privacy Show off your latest dive location, compete on stats, or share logbooks and photos - only with the people you choose. You control who sees what, ensuring your privacy is always protected. Add your dive buddies, share your underwater adventures, and track your gear from popular brands—or create your own custom descriptions. THE COMPLETE DIVING COMPANION Whether you're planning your next dive, capturing underwater memories, or analyzing your dive stats, Oceanic+ is designed to make the most of your diving experience. • Dive Housing: Scuba and Gauge mode • Apple Watch Ultra: Scuba and Freediving modes • Apple Watch Series 10: Snorkeling mode • Oceanic O.i Wrist Compatibility: sync pre-dive settings and post-dive logbooks between Oceanic+ and the new Oceanic O.i Wrist dive computer • Pre-Dive Planner with real-time conditions, tides, and community insights • No Deco Planner for calculated dives • Real-Time Dive Data with depth, time, and ascent rate monitoring • Activity Map to see all your dives on a world map • Dive Alerts like visual and haptic warnings • 7 Custom Watch Faces to match your style STAY INFORMED UNDERWATER Oceanic+ uses the trusted Bühlmann algorithm to keep you informed during every dive. Plan Like a Pro Set your gas mix, max depth, dive time, and more with our powerful no-deco planner. Track Your Tissues Oceanic+ uses the trusted Bühlmann algorithm to allow you the flexibility of customization and efficiency for your decompression profiles. Get the Big Picture Log dives, photos, videos, and stats with GPS-enhanced details for every location. Explore Freediving With custom alarms, heart rate tracking, and more, our Freediving Mode helps you track every session. Make the Most of Your Dives With features like weight planning and easy dive log and media export, you'll always have the ultimate dive tool with you. PLANS Start with free basic features, or unlock advanced tools and features with plans starting at just $1.99/month, or choose the $129.99 Annual Family plan. Each plan is tailored to fit your needs. With Oceanic+, every dive is a story
SeaThrough
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.
- Map-based spot discovery
- Hour-by-hour clarity forecast
- Tide direction and timing
- Saved spots and planned dives
- Location data requests
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SeaThrough provides ocean conditions and an estimated water-clarity forecast for divers and spearos, currently optimized for Southern California. Use the map to explore coastal areas, drop pins, and quickly see the best time windows for visibility. Check a spot’s hourly breakdown to plan around changing conditions. SeaThrough combines key signals like tide movement, swell, and wind into a simple, glanceable forecast so you can spend less time researching and more time in the water. Features: • Map-based spot discovery with pinning and favorites • Hour-by-hour clarity forecast and visibility range • Tide direction and timing insights • Quick planning with saved spots and planned dives If a location’s data isn’t available yet, you can request it in-app. Requested locations will be prioritized and added in future releases. Note: Forecasts are estimates for informational purposes only. Always verify conditions locally and prioritize safety.
Screenshots
Verdict
The clearest difference is rating: SeaThrough at 5.0 against Oceanic+ Scuba Diving Computer's 4.4. SeaThrough also leads on in-app purchases (none vs 7). Oceanic+ Scuba Diving Computer's advantage is ratings volume (4.7K vs 4) and chart position (#77 vs unranked). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Oceanic+ Scuba Diving Computer 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: Oceanic+ Scuba Diving Computer has 4.7K ratings behind it against 4, so its average is the more settled of the two.
Oceanic+ Scuba Diving Computer ships an update every 4 weeks, SeaThrough fortnightly. The most recent releases landed on November 1, 2026 and October 19, 2026 respectively.
| Parameter | Oceanic+ Scuba Diving Computer | SeaThrough |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (4.7K ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 62.4% of reviews | — |
| Number of ratings | 4.7K — better | 4 |
| Update frequency | Every 4 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Best chart rank | #77 — better | — |
| Devices | iPhone, Apple Watch — better | iPhone |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 76 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Huish Outdoors, LLC | MARTUN DAVOYAN |
Customer experience
Oceanic+ Scuba Diving Computer
SeaThrough
Bugs and requests
Oceanic+ Scuba Diving Computer
Reported bugs
4 issues- 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
5 requests- 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
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Oceanic+ Scuba Diving Computer
- Snorkeling+$1.991 Month
- Freediving Monthly$4.991 Month
- Monthly$9.991 Month
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- Annual1 Year trial$79.991 Year
- Annual Family1 Year trial$129.991 Year
- One day$0.99
- One Day$4.99
SeaThrough
No in-app purchases
Questions
Is Oceanic+ Scuba Diving Computer free?
Is SeaThrough free?
Which has better reviews, Oceanic+ Scuba Diving Computer or SeaThrough?
Do Oceanic+ Scuba Diving Computer or SeaThrough have ads?
Which is updated more often, Oceanic+ Scuba Diving Computer or SeaThrough?
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