250+ iOS apps curated and reviewed
The best seabook apps on iPhone average 3.7★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (222) | No | Yes | Sep 2026 | |
| 2 |  | Free | 4.5★ (19) | No | No | Aug 2026 | |
| 3 |  | $6.99 | 5.0★ (2) | No | No | Sep 2026 | |
| 4 |  | Free | 4.4★ (214) | Yes | Yes | Sep 2026 | |
| 5 |  | Free | 4.0★ (2) | No | No | Aug 2026 | |
| 6 |  | Free | 3.5★ (2) | No | No | May 2026 | |
| 7 |  | Free | 4.8★ (50) | No | No | Jul 2026 | |
| 8 |  | Free | 3.9★ (362) | Yes | Yes | Sep 2026 |
Identify marine life with AI-powered photo recognition and explore detailed species information. Log your dives with comprehensive data, track conditions, equipment, and sightings. Organize your discoveries into personal collections and access information offline.
This app provides essential maritime information for seafarers and shore-based professionals. It serves as an offline reference for ship stability, navigation, regulations, and marine engineering, aiding in safer seas and cleaner waters.
This app provides comprehensive maritime information for professionals and enthusiasts. It offers tools for navigational and technical computations, designed for easy use at sea with offline accessibility and a user-friendly interface.
