158+ iOS apps curated and reviewed
If you already know River Levels & Flows, this is the deeper bench. 158+ usgs river apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $2.99 | 4.6★ (2.6K) | No | No | Jul 2026 |
| 2 |  | Free | 4.8★ (4.5K) | No | Yes | Jul 2026 |
| 3 |  | Free | 4.7★ (11K) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 4.7★ (39) | No | Yes | Jul 2026 |
| 5 |  | Free | 4.4★ (13) | No | No | May 2026 |
| 6 |  | Free | 4.3★ (25) | No | No | Jul 2026 |
| 7 |  | Free | 4.3★ (1.2K) | Yes | Yes | Jul 2026 |
| 8 |  | Free was $2.99 | 4.9★ (7) | No | No | Jul 2026 |
Access real-time USGS and AHPS river level and flow data. Receive push notifications for flood status and view weather prediction charts for significant river flood outlooks and precipitation forecasts.
Access real-time water levels, flows, and temperatures for rivers worldwide. Ideal for sports enthusiasts and professionals, it offers detailed maps, navigability information, and customizable alerts for over 40,000 hydrometric stations.
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 detailed USGS and NOAA river flow data, including discharge, temperature, and gauge height. Explore rivers with an interactive map, set custom tags for organization, and receive alerts for condition changes. Plan your outdoor activities with integrated weather forecasts.
Access real-time and historical river flow data for hundreds of locations in the American West. This app simplifies finding crucial information for outdoor activities like float trips or checking local creek conditions, consolidating data from various government sources.
Access real-time river data including water levels, temperature, and skill level estimates. Discover nearby rivers using GPS, search by various criteria, and utilize interactive maps for navigation. Includes weather overlays for rain tracking.
Discover and plan paddling adventures with detailed maps, real-time conditions, and route information. Find launch points, campsites, and weather forecasts to ensure a safe and enjoyable trip on rivers and lakes.
Access real-time water level data from over 10,000 river gauges across the USA. View stream flow, temperature, and precipitation maps. Get flood alerts and forecasts for informed decision-making.
Navigate any terrain with offline GPS maps, even without cell service. Explore a vast Map Store for hiking, biking, and travel, or import your own custom maps. Record tracks, add notes, and identify your location precisely.
Discover trails, campsites, and routes with detailed topographic maps and GPS navigation. Plan your adventures with offline maps, weather updates, and distance tracking. Explore hiking, off-roading, camping, and skiing with this comprehensive outdoor companion.
Explore Georgia's waterways with detailed information on over 40 water trails. Get live safety data, access points, river conditions, and points of interest for your next paddling adventure. Plan your trip with confidence and learn about river conservation.
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.
Navigate off-road with detailed trail maps, GPS, and compass features. Discover legal camping spots, filter trails by vehicle type and difficulty, and plan multi-day adventures. Access property lines, weather data, and cell coverage information for a safer off-roading experience.
Explore over 420 national parks with interactive maps, self-guided tours, and essential on-the-ground information. Plan your visit with details on amenities, operating hours, and fees. Download park content for offline use, ensuring access even without internet service.
Discover new fishing locations, access detailed local information, and connect with a large community of anglers. Improve your fishing skills with advanced maps, weather forecasts, and catch tracking tools.
Easily plan and navigate custom routes for any outdoor activity. Draw your path with a finger and the app snaps to roads and trails. Measure distances, elevations, and get turn-by-turn directions, even offline.
Track real-time water levels for over 12,000 rivers and streams nationwide. Get flood alerts, monitor conditions, and plan boating or fishing trips with confidence. Access NOAA data and an interactive map to find gauges easily.
Stay informed about seismic activity with real-time global earthquake data and customizable push notifications. Visualize events on an interactive map, access a historical catalog, and contribute to community reports. Includes tsunami bulletins and detailed event information.
Access high-resolution topographic and park maps for offline GPS navigation. Download maps for national parks and USGS quadrangles across the USA. Ideal for road trips, hiking, and exploring areas with no data service.