17+ iOS apps curated and reviewed
The best sargassum apps on iPhone average 4.7★ across 17+ 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 | 5.0★ (1) | No | No | Oct 2026 | |
| 2 |  | Free | — | No | No | Oct 2026 | |
| 3 |  | Free | — | No | No | Aug 2026 | |
| 4 |  | Free | 5.0★ (5) | No | No | Oct 2026 | |
| 5 |  | Free | 5.0★ (30) | No | No | Oct 2026 | |
| 6 |  | Free | — | No | No | Oct 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | — | No | No | Oct 2026 |
This app allows users to report the coverage and thickness of seaweed on beaches, optionally including photos. The collected data, along with user coordinates, helps scientists document environmental changes over time. Recent reports are visualized on a map.
This community app allows sea users to report and visualize sargassum raft observations. It collects raft type and geographic coordinates, contributing to citizen science and knowledge sharing between researchers and observers. Scientists can also use its tools for in-sea raft measurements.
