Monitor real-time river and flood data across the United States. Track river height, discharge, precipitation, and water temperature with data from USGS and NWS. Ideal for property owners, outdoor enthusiasts, and anyone needing flood awareness.






250+ iOS apps curated and reviewed
Finding the right floodwatch 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 | 4.7★ (280) | Yes | Yes | Sep 2026 | ||
| 2 | Free | 4.7★ (11K) | Yes | Yes | Sep 2026 | ||
| 3 | Free | 4.8★ (5) | Yes | Yes | Aug 2026 | ||
| 4 | Free | 4.9★ (51K) | No | Yes | Sep 2026 | ||
| 5 | Free | 4.5★ (1M) | Yes | Yes | Sep 2026 | ||
| 6 | Free | — | No | No | Aug 2026 | ||
| 7 | Free | — | No | No | May 2026 | ||
| 8 | Free | 5.0★ (9) | No | No | Jul 2026 |






Monitor real-time river and flood data across the United States. Track river height, discharge, precipitation, and water temperature with data from USGS and NWS. Ideal for property owners, outdoor enthusiasts, and anyone needing flood awareness.






Monitor river levels, flow rates, and flood warnings with real-time data and forecasts. Get custom alerts for your favorite waterways and visualize trends with interactive graphs. Essential for anyone living, working, or recreating near water.






Receive real-time flood alerts and weather warnings for the UK. View interactive flood maps, understand warning levels, and get peace of mind with trusted data from the Environment Agency.