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.






190+ iOS apps curated and reviewed
Looking for free river data lite apps? 17 of our 190+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | 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 was $0.99 | 5.0★ (3) | No | No | Sep 2026 | ||
| 4 | Free | 4.8★ (5K) | No | Yes | Sep 2026 | ||
| 5 | Free | 4.7★ (39) | No | Yes | Sep 2026 | ||
| 6 | Free | 4.4★ (13) | No | No | May 2026 | ||
| 7 | $2.99 | 4.6★ (2.6K) | No | No | Sep 2026 | ||
| 8 | Free | 4.2★ (11) | No | Yes | Aug 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.




Access real-time river flow data without needing an account or encountering advertisements. Discover nearby gauges, monitor flow rates, and save your preferred locations for quick access.