249+ iOS apps & games curated and reviewed
The best open sea openseamap browser apps and games on iPhone average 4.4★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.2★ (5) | No | No | Oct 2026 | |
| 2 |  | Free | 1.0★ (1) | No | Yes | Sep 2026 | |
| 3 |  | Free | 5.0★ (1) | No | No | Nov 2026 | |
| 4 |  | Free | 4.1★ (53) | Yes | No | Oct 2026 | |
| 5 |  | Free | 4.9★ (15) | No | No | Oct 2026 | |
| 6 |  | Free | — | No | No | Oct 2026 | |
| 7 |  | Free | 4.8★ (20) | No | No | Oct 2026 | |
| 8 |  | Free | 4.0★ (2) | No | Yes | Oct 2026 |
This app provides access to nautical chart data and map image tiles generated by a collaborative open-source mapping project. It serves as a browser for freely usable marine navigation information.
This app provides a free, worldwide nautical chart with detailed sea information, including lights, weather data, and harbor details. It offers chartplotting, waypoint management, and offline map caching for navigation. Users can mark locations, enter coordinates, and adjust chart zoom for optimal viewing.
View OSM maps from various sources, create notes, and add multimedia like photos, audio, and video. Record and manage routes and tracks in GPX format, with iCloud synchronization and desktop backup options.
