This app helps divers log, plan, and analyze their dives. It offers detailed overviews, customizable dive logs, and advanced planning for various dive types. Connect your dive computer to manage data and firmware.






250+ iOS apps curated and reviewed
Finding the right poseidon reef apps can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 3.0★ (2) | Yes | No | May 2026 | ||
| 2 | Free | 4.9★ (3K) | No | No | Sep 2026 | ||
| 3 | Free | 4.7★ (43) | No | No | Jul 2026 | ||
| 4 | Free | — | No | Yes | Aug 2026 | ||
| 5 | Free | 5.0★ (6) | No | No | Sep 2026 | ||
| 6 | Free | 2.6★ (1.8K) | No | No | Sep 2026 | ||
| 7 | Free | 4.9★ (787) | Yes | No | Sep 2026 | ||
| 8 | Free | 1.0★ (1) | No | Yes | Sep 2026 |






This app helps divers log, plan, and analyze their dives. It offers detailed overviews, customizable dive logs, and advanced planning for various dive types. Connect your dive computer to manage data and firmware.






This app provides a curated selection of saltwater aquarium supplies and educational resources. It features reef calculators to simplify tank maintenance and offers a wide range of products for creating a thriving aquatic habitat. Expert customer support is also available.






Connect with a global community of saltwater and reef aquarium enthusiasts. Share tank progress, ask questions, and exchange expert advice. Discover resources for all levels of reefkeeping, including a marketplace and product reviews.