245+ iOS apps curated and reviewed
The best marine assistance international apps on iPhone average 4.5★ across 245+ titles — we've ranked them by what real users actually keep on their phones. Updated November 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 | |
| 2 |  | Free | 4.8★ (115K) | Yes | Yes | Nov 2026 | |
| 3 |  | Free | 4.5★ (2.4K) | No | Yes | Nov 2026 | |
| 4 |  | Free | 4.8★ (164K) | No | Yes | Nov 2026 | |
| 5 |  | Free | 5.0★ (2) | No | No | May 2026 | |
| 6 |  | Free | 4.9★ (888) | No | No | Oct 2026 | |
| 7 |  | Free | 4.0★ (4) | No | No | Oct 2026 | |
| 8 |  | Free | 5.0★ (1) | No | No | Nov 2026 |
This system helps detect man overboard incidents at sea. It works with a smart wristband to monitor crew members and automatically records the GPS location of an incident. The app can then guide you back to the last known position and optionally send alerts via text message.
Access worldwide tidal estimates, lunar data, and weather forecasts. Plan outdoor adventures with ease using current radar and offline predictions. Supports Apple Watch and includes a Today Extension for quick access.
Access up-to-date nautical charts for global exploration and planning. Save points of interest and routes, record tracks, and view marine weather. Upgrade for offline maps, GPS, and advanced features like shaded relief and AIS.
