237+ iOS apps & games curated and reviewed
The best e-seaweed apps and games on iPhone average 4.4★ across 237+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | Aug 2026 |
| 2 |  | Free | — | No | No | Jul 2026 |
| 3 |  | Free | 5.0★ (1) | No | No | Aug 2026 |
| 4 |  | $3.99 | 5.0★ (7) | No | No | Jul 2026 |
| 5 |  | Free | — | No | No | Jul 2026 |
| 6 |  | Free | 3.8★ (8) | No | Yes | Aug 2026 |
| 7 |  | Free | — | No | No | Jul 2026 |
| 8 |  | Free | — | No | No | Aug 2026 |
This toolbox helps identify seaweeds found in the German North Sea. It features an interactive key for species identification and detailed taxon profiles for verification. A glossary is also included to explain scientific terms.
Identify 130 species of macroalgae from the Pacific Northwest with illustrated, jargon-free questions. Features over 300 photos, taxonomic details, and descriptions. Content is updated frequently and available offline.
Access live surfcams, detailed surf reports, and 16-day forecasts. Quickly check conditions with favorite locations and pro streaming cams.
This app provides detailed surf forecasts, live conditions, and expert analysis to help surfers plan their sessions. Access over 1000 live cams worldwide, hourly data on wave height, wind, and tide, and track your progress with session logging. Premium members receive exclusive discounts and giveaways.
Access comprehensive surf forecasts, live surf cams, and expert reports for breaks worldwide. Plan future surf trips with 16-day forecasts and relive your sessions with wave analysis and video playback. Shop surf gear and stay updated on surf news.
Explore a vast collection of high-quality images and detailed ecological information about marine life in the Monterey Bay National Marine Sanctuary. Browse species by name or functional group, with photos downloaded on demand and stored for offline access.
Discover the best beaches, lakes, and swimming spots with real-time conditions, smart filters, and trip planning tools. Find surf details, safety flags, and even overnight van spots. Explore over 184,000 destinations across Europe and the USA.
This comprehensive guide identifies edible aquatic organisms, offering detailed information on species found in oceans, seas, and freshwater. It provides names in multiple languages, illustrations, and links to Wikipedia for further learning. Users can also add personal notes and photos.
Learn to identify common marine and freshwater phytoplankton with this educational app. It features a comprehensive identification guide, flashcards, and interactive games to aid learning. Developed with support from NOAA, it's designed for both iPhone and iPad.
Create and nurture your own underwater ecosystem. Feed vibrant marine life and observe their graceful movements in a personalized virtual ocean.
Browse the web while contributing to ocean cleanup efforts. This secure and user-friendly browser funds verified ocean cleanup initiatives with every session, helping to remove plastic and trash from waterways.
Get real-time marine weather buoy data for surfing. Avoid inaccurate forecasts by checking actual wave conditions, swell size, direction, and wind. Receive notifications for optimal surf and access historical charts.
Explore the vibrant kelp forest ecosystem through an interactive, multimedia book. Discover fascinating facts and engage with rich content about this underwater world.
Design and manage your own virtual aquarium. Feed your fish, decorate the tank with items, and collect coins by opening treasure boxes. Discover secret fish and watch your aquarium grow.